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Patrick G. O'Shea - Publications

Affiliations: 
Electrical and Computer Engineering University of Maryland, College Park, College Park, MD 
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210 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2014 Kishek RA, Beaudoin BL, Bernal S, Cornacchia M, Feldman D, Fiorito R, Haber I, Koeth T, Mo YC, O'Shea PG, Rezaei KP, Sutter D, Zhang HD. The University of Maryland Electron Ring Program Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 733: 233-237. DOI: 10.1016/J.Nima.2013.05.062  0.884
2013 Mo YC, Beaudoin B, Feldman D, Haber I, Kishek RA, O'shea PG. Experimental studies of soliton wave trains in intense electron beams Ipac 2013: Proceedings of the 4th International Particle Accelerator Conference. 1835-1837.  0.851
2012 Jensen KL, Yater JE, Shaw JL, Pate BB, Montgomery EJ, Feldman DW, O'Shea PG, Petillo JJ. Scattering and the prediction of Quantum Efficiency and response time characteristics 2012 Ieee 9th International Vacuum Electron Sources Conference, Ivesc 2012. 249-250. DOI: 10.1109/IVESC.2012.6264180  0.707
2012 Mo Y, Beaudoin B, Feldman D, Haber I, Kishek RA, O'Shea PG. Experimental observations of large-amplitude solitary waves in electron beams Ipac 2012 - International Particle Accelerator Conference 2012. 1377-1379.  0.872
2011 Bernal S, Beaudoin B, Koeth T, O'Shea PG. Smooth approximation model of dispersion with strong space charge for continuous beams Physical Review Special Topics - Accelerators and Beams. 14. DOI: 10.1103/Physrevstab.14.104202  0.852
2011 Jensen KL, Montgomery EJ, Feldman DW, O'Shea PG, Harris JR, Lewellen JW, Moody N. Multiple scattering effects on quantum efficiency and response time for cesiated metal photocathodes Journal of Applied Physics. 110. DOI: 10.1063/1.3610397  0.79
2011 Beaudoin B, Haber I, Kishek RA, Bernal S, Koeth T, Sutter D, O'Shea PG, Reiser M. Longitudinal confinement and matching of an intense electron beam Physics of Plasmas. 18. DOI: 10.1063/1.3537820  0.886
2011 Jensen KL, Yater JE, Shaw JL, Pate BB, Montgomery EJ, Feldman DW, O'Shea PG. Time dependent emission from coated metals and semiconductors Proceedings - Ivnc 2011: 2011 24th International Vacuum Nanoelectronics Conference. 91-92.  0.62
2010 Montgomery EJ, Feldman DW, O'Shea PG, Pan PZ, Sennett N, Jensen KL. 6.5: Electron emission from alkali-coated metal photocathodes 2010 Ieee International Vacuum Electronics Conference, Ivec 2010. 79-80. DOI: 10.1109/IVELEC.2010.5503593  0.64
2010 Jensen KL, O'Shea PG, Feldman DW. 11.3: Emittance, space charge, and sharp electron sources 2010 Ieee International Vacuum Electronics Conference, Ivec 2010. 205-206. DOI: 10.1109/IVELEC.2010.5503532  0.452
2010 Jensen KL, Yater JE, Pate BB, Shaw JL, Montgomery EJ, Feldman DW, O'Shea PG. 11.5: Electron transport and emission from thin film semiconductors 2010 Ieee International Vacuum Electronics Conference, Ivec 2010. 209-210. DOI: 10.1109/IVELEC.2010.5503530  0.682
2010 Jensen KL, O'Shea PG, Feldman DW. Emittance of a photocathode: Effects of temperature and field Physical Review Special Topics - Accelerators and Beams. 13. DOI: 10.1103/Physrevstab.13.080704  0.432
2010 Tian K, Kishek RA, Haber I, Reiser M, O'Shea PG. Experimental study of large-amplitude perturbations in space-charge dominated beams Physical Review Special Topics - Accelerators and Beams. 13. DOI: 10.1103/Physrevstab.13.034201  0.819
2010 Fiuza K, Beaudoin B, Bernal S, Haber I, Kishek RA, O'Shea PG, Papadopoulos C, Sutter D, Wu C. Design of a scaled recirculator for Heavy Ion Inertial Fusion Journal of Physics: Conference Series. 244. DOI: 10.1088/1742-6596/244/3/032029  0.848
2010 Koeth TW, Beaudoin B, Bernal S, Haber I, Kishek RA, Reiser M, O'Shea PG. Measurement & simulation of interpenetration and DC accumulation of beam in the University of Maryland Electron Ring Aip Conference Proceedings. 1299: 608-613. DOI: 10.1063/1.3520396  0.89
2010 Beaudoin B, Bernal S, Haber I, Kishek RA, Koeth T, Sutter D, O'Shea PG. Longitudinal confinement of an intense beam using induction focusing Aip Conference Proceedings. 1299: 603-607. DOI: 10.1063/1.3520395  0.842
2010 Neuman CP, O'Shea PG. Simulation of modulated electron beams in an Rf electron gun Aip Conference Proceedings. 1299: 598-602. DOI: 10.1063/1.3520394  0.762
2010 Bernal S, Sutter D, Beaudoin B, Cornacchia M, Fiuza K, Haber I, Kishek RA, Koeth T, Reiser M, O'Shea PG. Transverse beam physics in UMER- Update Aip Conference Proceedings. 1299: 580-585. DOI: 10.1063/1.3520391  0.854
2010 Stratakis D, Kishek RA, Haber I, Fiorito RB, Reiser M, O'Shea PG. Experimental verification of tomographic phase-space imaging for beams with space-charge using a pinhole-scan Journal of Applied Physics. 107. DOI: 10.1063/1.3392800  0.844
2010 Stratakis D, Kishek RA, Bernal S, Fiorito RB, Haber I, Reiser M, O'Shea PG, Tian K, Thangaraj JCT. Generalized phase-space tomography for intense beams Physics of Plasmas. 17. DOI: 10.1063/1.3298894  0.85
2010 Jensen KL, O'Shea PG, Feldman DW, Shaw JL. Emittance of a field emission electron source Journal of Applied Physics. 107. DOI: 10.1063/1.3267288  0.427
2010 Montgomery EJ, Feldman DW, O'Shea PG, Jimenez JC, Harris JR, Jensen KL. Cesium emission in dispenser photocathodes Fel 2010 - 32nd International Free Electron Laser Conference. 422-424.  0.686
2010 Zhang HD, Fiorito RB, Shkvarunets AG, Bernai S, Haber I, Kishek RA, O'Shea PG, Artikova S, Welsch C. Beam halo imaging using an adaptive optical mask 2010 Beam Instrumentation Workshop, Biw 2010 - Proceedings. 543-547.  0.72
2010 Beaudoin BL, Bernal S, Cornacchia M, Fiuza K, Haber I, Kishek RA, Koeth TW, Reiser M, Sutter DF, Zhang H, O'Shea PG. High intensity beam physics at UMER Hb 2010 - 46th Icfa Advanced Beam Dynamics Workshop On High-Intensity and High-Brightness Hadron Beams. 629-633.  0.895
2009 Stratakis D, Kishek RA, Haber I, Bernal S, Reiser M, O'Shea PG. Experimental and numerical study of phase mixing of an intense beam Physical Review Special Topics - Accelerators and Beams. 12. DOI: 10.1103/Physrevstab.12.064201  0.853
2009 Stratakis D, Kishek RA, Fiorito RB, Tian K, Haber I, O'Shea PG, Reiser M, Thangaraj JCT. Time-dependent phase-space characterization of intense charged particle beams Physical Review Special Topics - Accelerators and Beams. 12. DOI: 10.1103/Physrevstab.12.020101  0.862
2009 Papadopoulos C, Haber I, Kishek RA, O'Shea PG. Numerical investigations of mismatch induced halos in intense charged particle beams Aip Conference Proceedings. 1086: 744-749. DOI: 10.1063/1.3081000  0.606
2009 Bernal S, Sutter D, Cornacchia M, Beaudoin B, Haber I, Kishek RA, Reiser M, Wu C, O'Shea PG. Operational studies of the 10 keV electron storage ring UMER Aip Conference Proceedings. 1086: 738-743. DOI: 10.1063/1.3080999  0.776
2009 Neumann JG, Fiorito RB, O'Shea PG, Loos H, Sheehy B, Shen Y, Wu Z. Terahertz laser modulation of electron beams Journal of Applied Physics. 105. DOI: 10.1063/1.3075563  0.781
2009 Haber I, Bernal S, Beaudoin B, Cornacchia M, Feldman D, Feldman RB, Fiorito R, Fiuza K, Godlove TF, Kishek RA, O'Shea PG, Quinn B, Papadopoulos C, Reiser M, Stratakis D, et al. Scaled electron studies at the University of Maryland Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 606: 64-68. DOI: 10.1016/J.Nima.2009.03.220  0.87
2009 Montgomery EJ, Feldman DW, O'Shea PG, Pan PZ, Sennett N, Stortstrom C, Jensen KL. Towards a multialkali dispenser photocathode: Experiment and theory Fel 2009 - 31st International Free Electron Laser Conference. 364-367.  0.661
2008 Jensen KL, Petillo JJ, Montgomery EJ, Pan Z, Feldman DW, O'Shea PG, Moody NA, Cahay M, Yater JE, Shaw JL. Application of a general electron emission equation to surface nonuniformity and current density variation Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures. 26: 831-837. DOI: 10.1116/1.2827508  0.798
2008 Holloway MA, Fiorito RB, Shkvarunets AG, O'Shea PG, Benson SV, Douglas D, Evtushenko P, Jordan K. Multicomponent measurements of the Jefferson Lab energy recovery linac electron beam using optical transition and diffraction radiation Physical Review Special Topics - Accelerators and Beams. 11. DOI: 10.1103/Physrevstab.11.082801  0.851
2008 Jensen KL, Lau YY, Feldman DW, O'Shea PG. Electron emission contributions to dark current and its relation to microscopic field enhancement and heating in accelerator structures Physical Review Special Topics - Accelerators and Beams. 11. DOI: 10.1103/PhysRevSTAB.11.081001  0.424
2008 Harris JR, O'Shea PG. Aperture effects and mismatch oscillations in an intense electron beam Physics of Plasmas. 15. DOI: 10.1063/1.3046084  0.702
2008 Jensen KL, Jensen BL, Montgomery EJ, Feldman DW, O'Shea PG, Moody N. Theory of photoemission from cesium antimonide using an alpha-semiconductor model Journal of Applied Physics. 104. DOI: 10.1063/1.2967826  0.761
2008 Harris JR, O'Shea PG. Negative transconductance in apertured electron guns Journal of Applied Physics. 103. DOI: 10.1063/1.2936972  0.719
2008 Tian K, Kishek RA, O'Shea PG, Fiorito RB, Feldman DW, Reiser M. Time-dependent imaging of space-charge dominated electron beams Physics of Plasmas. 15. DOI: 10.1063/1.2884041  0.855
2008 Reiser M, O'Shea P, Bernal S, Kishek R. Theory and Design of Charged Particle Beams: Second Edition Theory and Design of Charged Particle Beams: Second Edition. 1-647. DOI: 10.1002/9783527622047  0.451
2008 Shkvarunets AG, Fiorito RB, O'Shea PG, Power JG, Conde ME, Gai W. Electron beam divergence measurements at low energies using a novel optical diffraction radiation transmission interferometer 2008 Beam Instrumentation Workshop, Biw 2008. 218-221.  0.51
2008 Wu C, Abed EH, Bernal S, Beaudoin B, Kishek RA, O'Shea PG, Reiser M, Sutter D. Linear resonance analysis of beams with intense space charge in the University of Maryland Electron Ring (UMER) Hb 2008 - 42nd Icfa Advanced Beam Dynamics Workshop On High-Intensity, High-Brightness Hadron Beams. 165-167.  0.839
2008 Papadopoulos C, Haber I, Kishek RA, O'Shea PG, Reiser M. Simulation studies of halo creation and regeneration in intense charged particle beams Hb 2008 - 42nd Icfa Advanced Beam Dynamics Workshop On High-Intensity, High-Brightness Hadron Beams. 78-80.  0.585
2008 Thangaraj JCT, Feldman DW, Kishek RA, Bernal S, Reiser M, Stratakis D, Feldman R, Sutter D, Beaudoin B, Papadopoulos C, Haber I, O'Shea PG. Space charge waves as a diagnostic to measure transverse beam size of space charge dominated beams 2008 Beam Instrumentation Workshop, Biw 2008. 149-152.  0.889
2007 Harris JR, Neumann JG, Tian K, O'Shea PG. Longitudinal density modulation and energy conversion in intense beams. Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics. 76: 026402. PMID 17930157 DOI: 10.1103/Physreve.76.026402  0.864
2007 Kishek RA, Bai G, Bernal S, Feldman D, Godlove TF, Haber I, O'Shea PG, Quinn B, Papadopoulos C, Reiser M, Stratakis D, Tian K, Tobin CJ, Walter M. Scaled models: Space-charge dominated electron storage rings International Journal of Modern Physics A. 22: 3838-3851. DOI: 10.1142/9789812772176_0010  0.864
2007 Stratakis D, Kishek RA, Haber I, Walter M, Fiorito RB, Bernal S, Thangaraj JCT, Tian K, Papadopoulos C, Reiser M, O'Shea PG. Phase space tomography of beams with extreme space charge Proceedings of the Ieee Particle Accelerator Conference. 2025-2029. DOI: 10.1109/PAC.2007.4441335  0.882
2007 Beaudoin B, Bernal S, Haber I, Kishek R, Reiser M, Tian K, Thangaraj JCT, Walter M, Wu C, O'Shea PG. Application of induction module for energy perturbations in the University of Maryland Electron Ring Proceedings of the Ieee Particle Accelerator Conference. 2322-2324. DOI: 10.1109/PAC.2007.4441237  0.857
2007 Kishek RA, Bai G, Beaudoin B, Bernal S, Feldman D, Feldman R, Fiorito R, Godlove TF, Haber I, Langford T, O'Shea PG, Quinn B, Papadopoulos C, Reiser M, Stratakis D, et al. The University of Maryland Electron Ring (UMER) enters a new regime of high-tune-shift rings Proceedings of the Ieee Particle Accelerator Conference. 820-824. DOI: 10.1109/PAC.2007.4441116  0.896
2007 Jensen KL, Feldman DW, Montgomery EJ, O'Shea PG, Moody NA, Petillo J. A theoretical photocathode emittance model including temperature and field effects Proceedings of the Ieee Particle Accelerator Conference. 1377-1379. DOI: 10.1109/PAC.2007.4441088  0.765
2007 Montgomery EJ, Feldman DW, O'Shea PG, Pan Z, Moody NA, Jensen KL. Fabrication and measurement of efficient, robust cesiated dispenser photocathodes Proceedings of the Ieee Particle Accelerator Conference. 1206-1208. DOI: 10.1109/PAC.2007.4441031  0.771
2007 Walter M, Godlove T, Bai G, Beaudoin B, Bernal S, Feldman D, Haber I, Kishek R, O'Shea P, Papadopoulos C, Reiser M, Stratakis D, Sutter D, Thangaraj JCT, Wu C. Beam extraction concepts and design for the University of Maryland electron ring (UMER) Proceedings of the Ieee Particle Accelerator Conference. 1754-1756. DOI: 10.1109/PAC.2007.4440887  0.878
2007 Walter M, Bai G, Beaudoin B, Bernal S, Feldman D, Godlove T, Haber I, Kishek R, O'Shea P, Papadopoulos C, Reiser M, Stratakis D, Sutter D, Thangaraj JCT, Wu C. Multi-turn operation of the University of Maryland electron ring (UMER) Proceedings of the Ieee Particle Accelerator Conference. 1751-1753. DOI: 10.1109/PAC.2007.4440886  0.878
2007 Harris JR, Feldman RB, O'Shea PG. Transverse-longitudinal coupling in an intense electron beam Proceedings of the Ieee Particle Accelerator Conference. 3597-3599. DOI: 10.1109/PAC.2007.4440504  0.58
2007 Tian K, Bai G, Beaudoin BL, Feldman D, Fiorito RB, Haber I, Kishek RA, O'Shea PG, Reiser M, Stratakis D, Sutter D, Thangaraj JCT, Walter M, Wu C. Fast imaging of time-dependent distributions of intense beams Proceedings of the Ieee Particle Accelerator Conference. 3573-3575. DOI: 10.1109/PAC.2007.4440496  0.881
2007 Thangaraj JCT, Feldman DW, Kishek RA, Bernal S, Reiser M, Stratakis D, Walter M, Tian K, Sutter D, Beaudoin B, Fiorito R, Bai G, Haber I, O'Shea PG. Evolution of laser induced perturbation and experimental observation of space charge waves in the University of Maryland Electron Ring (UMER) Proceedings of the Ieee Particle Accelerator Conference. 3570-3572. DOI: 10.1109/PAC.2007.4440495  0.88
2007 Papadopoulos C, Bai G, Kishek RA, Haber I, Walter M, Beaudoin B, O'Shea PG, Reiser M. Modeling skew quadruple effects on the UMER beam Proceedings of the Ieee Particle Accelerator Conference. 3567-3569. DOI: 10.1109/PAC.2007.4440494  0.88
2007 Haber I, Bernal S, Kishek RA, O'Shea PG, Papadopoulos C, Reiser M, Feldman RB, Stratakis D, Walter M, Vay JL, Friedman A, Grote DP. Measurement and simulation of source-generated halos in the University of Maryland Electron Ring (UMER) Proceedings of the Ieee Particle Accelerator Conference. 3564-3566. DOI: 10.1109/PAC.2007.4440493  0.816
2007 Bernal S, Beaudoin B, Kishek RA, Reiser M, Sutter D, O'Shea PG. Low-current, space-charge dominated beam transport at the University of Maryland Electron Ring (UMER) Proceedings of the Ieee Particle Accelerator Conference. 3561-3563. DOI: 10.1109/PAC.2007.4440492  0.851
2007 Neuman CP, O'Shea PG. Evolution of longitudinal modulation in electron beams Proceedings of the Ieee Particle Accelerator Conference. 3510-3512. DOI: 10.1109/PAC.2007.4440475  0.747
2007 Neuman CP, O'Shea PG. Suppression of terahertz radiation in electron beams with longitudinal density modulation Proceedings of the Ieee Particle Accelerator Conference. 3507-3509. DOI: 10.1109/PAC.2007.4440474  0.738
2007 Holloway MA, Fiorito RB, O'Shea PG, Shkvarunets AG, Benson SV, Brock W, Coleman JL, Douglas D, Evans R, Evtushenko P, Jordan K, Sexton D. RMS emittance measurements using optical transition radiation interferometry at the Jefferson Lab FEL Proceedings of the Ieee Particle Accelerator Conference. 2645-2647. DOI: 10.1109/PAC.2007.4440366  0.85
2007 Wu C, Abed E, Bai G, Beaudoin B, Bernal S, Haber I, Kishek R, O'Shea P, Reiser M, Stratakis D, Sutter D, Tian K, Walter M. A robust orbit-steering and control algorithm using quadrupole-scans as a diagnostic Proceedings of the Ieee Particle Accelerator Conference. 509-511. DOI: 10.1109/PAC.2007.4440261  0.849
2007 Shkvarunets AG, Fiorito RB, O'Shea PG, Power JG, Conde ME, Gei W. Optical diffraction-dielectric foil radiation interferometry diagnostic for low energy beams Proceedings of the Ieee Particle Accelerator Conference. 4012-4014. DOI: 10.1109/PAC.2007.4440045  0.415
2007 Fiorito RB, Feldman D, Shkvarunets AG, Casey S, Beaudoin BL, Quinn B, O'Shea PG. OTR measurements of the 10 keV electron beam at the University of Maryland Electron Ring (UMER) Proceedings of the Ieee Particle Accelerator Conference. 4006-4008. DOI: 10.1109/PAC.2007.4440044  0.781
2007 Jensen KL, Petillo JJ, Feldman DW, Montgomery EJ, O'Shea PG, Moody NA, Shaw JL, Yater JE. Application of a general electron emission equation to surface non-uniformity and current density variation Technical Digest of the 20th International Vacuum Nanoelectronics Conference, Ivnc 07. 167-168. DOI: 10.1109/IVNC.2007.4480981  0.784
2007 Jensen KL, Feldman DW, O'Shea PG, Moody NA, Cahay M, Montgomery EJ. Development of a general thermal-field-photoemission model and its relation to current density, emittance, and beam brightness Technical Digest of the 20th International Vacuum Nanoelectronics Conference, Ivnc 07. 42-43. DOI: 10.1109/IVNC.2007.4480923  0.841
2007 Stratakis D, Tian K, Kishek RA, Haber I, Reiser M, O'Shea PG. Tomographic phase-space mapping of intense particle beams using solenoids Physics of Plasmas. 14. DOI: 10.1063/1.2823037  0.857
2007 Moody NA, Jensen KL, Feldman DW, Montgomery EJ, O'Shea PG. Factors affecting performance of dispenser photocathodes Journal of Applied Physics. 102. DOI: 10.1063/1.2805653  0.829
2007 Jensen KL, Moody NA, Feldman DW, Montgomery EJ, O'Shea PG. Photoemission from metals and cesiated surfaces Journal of Applied Physics. 102. DOI: 10.1063/1.2786028  0.823
2007 Moody NA, Jensen KL, Feldman DW, O'Shea PG, Montgomery EJ. Prototype dispenser photocathode: Demonstration and comparison to theory Applied Physics Letters. 90. DOI: 10.1063/1.2713341  0.776
2007 Haber I, Feldman D, Fiorito R, Friedman A, Grote DP, Kishek RA, Quinn B, Reiser M, Rodgers J, O'Shea PG, Stratakis D, Tian K, Vay JL, Walter M. Measurement and simulation of the time-dependent behavior of the UMER source Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 577: 157-160. DOI: 10.1016/J.Nima.2007.02.048  0.843
2007 Haber I, Bai G, Bernal S, Beaudoin B, Feldman D, Fiorito RB, Godlove TF, Kishek RA, O'Shea PG, Quinn B, Papadopoulos C, Reiser M, Rodgers J, Stratakis D, Sutter D, et al. Scaled electron experiments at the University of Maryland Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 577: 150-156. DOI: 10.1016/J.Nima.2007.02.047  0.85
2006 Jensen KL, Feldman DW, Moody NA, O'Shea PG. Field-enhanced photoemission from metals and coated materials Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures. 24: 863-868. DOI: 10.1116/1.2183780  0.662
2006 Harris JR, O'Shea PG. Gridded electron guns and modulation of intense beams Ieee Transactions On Electron Devices. 53: 2824-2829. DOI: 10.1109/Ted.2006.883671  0.728
2006 Stratakis D, Kishek RA, Li H, Bernal S, Walter M, Quinn B, Reiser M, O'Shea PG. Tomography as a diagnostic tool for phase space mapping of intense particle beams Physical Review Special Topics - Accelerators and Beams. 9. DOI: 10.1103/Physrevstab.9.112801  0.849
2006 Bernal S, Li H, Kishek RA, Quinn B, Walter M, Reiser M, O'Shea PG, Allen CK. RMS envelope matching of electron beams from "zero" current to extreme space charge in a fixed lattice of short magnets Physical Review Special Topics - Accelerators and Beams. 9. DOI: 10.1103/Physrevstab.9.064202  0.868
2006 Tian K, Zou Y, Cui Y, Haber I, Kishek RA, Reiser M, O'Shea PG. Experimental observations of longitudinal space-charge waves in intense electron beams Physical Review Special Topics - Accelerators and Beams. 9. DOI: 10.1103/Physrevstab.9.014201  0.839
2006 Walter M, Bai G, Bernal S, Feldman D, Godlove T, Haber I, Holloway M, Kishek R, O'Shea P, Papadopoulos C, Quinn B, Reiser M, Stratakis D, Sutter D, Thangaraj J, et al. Beam control and steering in the University of Maryland Electron Ring (UMER) Aip Conference Proceedings. 877: 701-706. DOI: 10.1063/1.2409204  0.889
2006 Thangaraj JCT, Kishek RA, Bernal S, Reiser M, Stratakis D, Walter M, Quinn B, Sutter D, Beaudoin B, Papadopoulous C, Bai G, Wu C, O'Shea PG. Beam injection and matching studies at the University of Maryland Electron Ring (UMER) Aip Conference Proceedings. 877: 687-693. DOI: 10.1063/1.2409202  0.889
2006 Stratakis D, Kishek RA, Li H, Bernal S, Walter M, Haber I, Fiorito R, Thangaraj JCT, Quinn B, Reiser M, O'Shea PG. Phase space tomography: A simple, portable and accurate technique to map phase spaces of beams with space charge Aip Conference Proceedings. 877: 680-686. DOI: 10.1063/1.2409201  0.823
2006 Neuman CP, O'Shea PG. Simulation of longitudinally modulated electron beams Aip Conference Proceedings. 877: 621-627. DOI: 10.1063/1.2409193  0.749
2006 Bai G, Kishek RA, Beaudoin B, Bernal S, Feldman D, Godlove T, Haber I, Quinn B, Reiser M, Sutter D, Walter M, O'Shea PG. Modeling and experiments on injection into university of Maryland electron ring Aip Conference Proceedings. 877: 582-589. DOI: 10.1063/1.2409187  0.856
2006 Tian K, Zou Y, Cui Y, Haber I, Kishek RA, Reiser M, O'Shea PG. Experimental observations of beam fluctuations in space-charge dominated beams Aip Conference Proceedings. 877: 461-467. DOI: 10.1063/1.2409170  0.848
2006 Papadopoulos C, Kishek RA, Haber I, O'Shea PG, Reiser M. Rotational mismatches and emittance growth for the UMER beam Aip Conference Proceedings. 877: 227-234. DOI: 10.1063/1.2409139  0.731
2006 Bernal S, Bai G, Beaudoin B, Feldman D, Feldman R, Fiorito R, Godlove TF, Haber I, Kishek RA, Papadopoulos C, Quinn B, Reiser M, Stratakis D, Sutter D, Tian K, et al. New developments in space-charge beam physics research at the University of Maryland Electron Ring (UMER) Aip Conference Proceedings. 877: 94-102. DOI: 10.1063/1.2409124  0.892
2006 Stratakis D, Kishek RA, Li H, Bernal S, Walter M, Tobin J, Quinn B, Reiser M, O'Shea PG. Transverse phase space reconstruction and emittance measurement of intense electron beams using a tomography technique Aip Conference Proceedings. 868: 497-507. DOI: 10.1063/1.2401440  0.787
2006 Jensen KL, O'Shea PG, Feldman DW, Moody NA. Theoretical model of the intrinsic emittance of a photocathode Applied Physics Letters. 89. DOI: 10.1063/1.2387968  0.665
2006 Jensen KL, Feldman DW, Moody NA, O'Shea PG. A photoemission model for low work function coated metal surfaces and its experimental validation Journal of Applied Physics. 99. DOI: 10.1063/1.2203720  0.66
2006 Harris JR, Neumann JG, O'Shea PG. Governing factors for production of photoemission-modulated electron beams Journal of Applied Physics. 99. DOI: 10.1063/1.2192947  0.825
2006 Walter M, Bai G, Bernal S, Feldman D, Godlove T, Haber I, Holloway M, Kishek R, O'Shea P, Papadopoulos C, Quinn B, Reiser M, Stratakis D, Tobin C, Wilson M. Commissioning of the University of Maryland Electron Ring (UMER): Advances toward multiturn operation Physics of Plasmas. 13. DOI: 10.1063/1.2186634  0.879
2006 Kishek RA, Bai G, Bernal S, Feldman D, Godlove TF, Haber I, O'Shea PG, Quinn B, Papadopoulos C, Reiser M, Stratakis D, Tian K, Tobin CJ, Walter M. UMER: An analog computer for dynamics of swarms interacting via long-range forces Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 561: 266-271. DOI: 10.1016/J.Nima.2006.01.016  0.813
2006 Moody NA, Feldman DW, Montgomery EJ, Balter AE, O'Shea PG, Jensen KL, Yater JE, Shaw JL. Experimental progress toward low workfunction controlled porosity dispenser photocathodes 28th International Free Electron Laser Conference, Fel 2006. 748-751.  0.773
2006 Shaw JL, Yater JE, Butler JE, Feldman DW, Moody N, O'Shea PG. Scanning photoemission microscopy of photo-cathode surfaces 2006 Ieee International Vacuum Electronics Conference Held Jointly With 2006 Ieee International Vacuum Electron Sources, Ivec/Ivesc 2006. 431-432.  0.693
2006 Yater JE, Shaw JL, Jensen KL, Feldman DW, Moody N, O'Shea PG. Photoelectron emission and secondary electron emission characteristics of cesiated p-type GaN 2006 Ieee International Vacuum Electronics Conference Held Jointly With 2006 Ieee International Vacuum Electron Sources, Ivec/Ivesc 2006. 433-434.  0.655
2006 Moody NA, Jensen KL, Feldman DW, O'Shea PG. Experimental validation of a photoemission model for end-to-end beam simulations and custom photocathode designs 2006 Ieee International Vacuum Electronics Conference Held Jointly With 2006 Ieee International Vacuum Electron Sources, Ivec/Ivesc 2006. 429-430.  0.691
2006 Jensen KL, Yater JE, Shaw JL, Moody NA, Feldman DW, O'Shea PG. The development and application of a photoemission model for cesiated photocathode surfaces 28th International Free Electron Laser Conference, Fel 2006. 744-747.  0.673
2005 Kishek RA, O'Shea PG, Bernal S, Haber I, Harris JR, Huo Y, Li H, Reiser M. The University of Maryland electron ring: a platform for study of galactic dynamics on a laboratory scale. Annals of the New York Academy of Sciences. 1045: 45-54. PMID 15980303 DOI: 10.1196/Annals.1350.005  0.864
2005 Kandrup HE, Bohn CL, Kishek RA, O'Shea PG, Reiser M, Sideris IV. Chaotic collisionless evolution in galaxies and charged-particle beams. Annals of the New York Academy of Sciences. 1045: 12-33. PMID 15980301 DOI: 10.1196/Annals.1350.003  0.782
2005 Zou Y, Cui Y, Reiser M, O'Shea PG. Observation of the anomalous increase of the longitudinal energy spread in a space-charge-dominated electron beam. Physical Review Letters. 94: 134801. PMID 15903997 DOI: 10.1103/PhysRevLett.94.134801  0.823
2005 Quinn B, Bai G, Bernal S, Godlove T, Haber I, Harris JR, Holloway M, Li H, Neumann JG, Tian K, Walter M, Reiser M, O'Shea PG. Overview of electrical system for the university of Maryland electron ring (UMER) Proceedings of the Ieee Particle Accelerator Conference. 2005: 3988-3990. DOI: 10.1109/PAC.2005.1591692  0.743
2005 Bai G, Kishek RA, Bernal S, Godlove T, Haber I, Quinn B, Reiser M, Tobin C, Walter M, O'Shea PG. Refined calculation of beam dynamics during UMER injection Proceedings of the Ieee Particle Accelerator Conference. 2005: 3733-3735. DOI: 10.1109/PAC.2005.1591598  0.771
2005 Tian K, Zou Y, Cui Y, Huo Y, Reiser M, Haber I, Kishek R, O'Shea PG. Study of longitudinal space-charge wave dynamics in space-charge dominated beams Proceedings of the Ieee Particle Accelerator Conference. 2005: 3712-3714. DOI: 10.1109/PAC.2005.1591590  0.75
2005 Kishek RA, Bai G, Bernal S, Godlove TF, Haber I, O'Shea PG, Quinn B, Reiser M, Tobin C, Walter M. Significance of space charge and the earth magnetic field on the dispersive characteristics of a low energy electron beam Proceedings of the Ieee Particle Accelerator Conference. 2005: 3691-3693. DOI: 10.1109/PAC.2005.1591583  0.816
2005 Moody N, Feldman DW, O'Shea PG, Jensen KL. Fabrication and measurement of low workfunction cesiated dispenser photocathodes Proceedings of the Ieee Particle Accelerator Conference. 2005: 2953-2955. DOI: 10.1109/PAC.2005.1591325  0.689
2005 Haber I, Bernal S, Kishek RA, O'Shea PG, Reiser M, Zou Y, Friedman A, Grote DP, Vay JL. Computer simulaton of the UMER gridded gun Proceedings of the Ieee Particle Accelerator Conference. 2005: 2908-2910. DOI: 10.1109/PAC.2005.1591310  0.785
2005 Gillingham DR, Antonsen TM, O'Shea PG. Coherent synchrotron radiation from an electron beam in a curved waveguide Proceedings of the Ieee Particle Accelerator Conference. 2005: 2390-2392. DOI: 10.1109/PAC.2005.1591120  0.866
2005 Bernal S, Kishek RA, Quinn B, Reiser M, Walter M, O'Shea PG. Strongly asymmetric beams at the University of Maryland electron ring (UMER) Proceedings of the Ieee Particle Accelerator Conference. 2005: 892-894. DOI: 10.1109/PAC.2005.1590600  0.799
2005 Harris JR, Neumann JG, Feldman D, Feldman R, Huo Y, Quinn B, Reiser M, O'Shea PG. Longitudinal dynamics in the university of Maryland electron ring Proceedings of the Ieee Particle Accelerator Conference. 2005: 713-715. DOI: 10.1109/PAC.2005.1590537  0.845
2005 Neumann JG, Fiorito R, O'Shea PG, Carr GL, Graves WS, Loos H, Shaftan T, Sheehy B, Shen Y, Wu Z. Simulations and experiments of electron beams pre-modulated at the photocathode Proceedings of the Ieee Particle Accelerator Conference. 2005: 704-706. DOI: 10.1109/PAC.2005.1590534  0.775
2005 Bernal S, Bai G, Feldman D, Feldman R, Godlove TF, Haber L, Harris JR, Holloway M, Kishek RA, Neumann J, Papadopoulos C, Quinn B, Reiser M, Stratakis D, Tian K, et al. Commissioning of the University of Maryland electron ring (UMER) Proceedings of the Ieee Particle Accelerator Conference. 2005: 469-471. DOI: 10.1109/PAC.2005.1590471  0.88
2005 Logan BG, Bieniosek FM, Celata CM, Henestroza E, Kwan JW, Lee EP, Leitner M, Roy PK, Seidl PA, Eylon S, Vay JL, Waldron WL, Yu SS, Barnard JJ, Callahan DA, et al. Overview of US heavy ion fusion research Nuclear Fusion. 45: 131-137. DOI: 10.1088/0029-5515/45/2/006  0.76
2005 Kishek RA, Bernal S, Cui Y, Godlove TF, Haber I, Harris J, Huo Y, Li H, O'shea PG, Quinn B, Reiser M, Walter M, Zou Y. Space charge simulations of first-turn experiments on the University of Maryland Electron Ring (UMER) Aip Conference Proceedings. 773: 147-151. DOI: 10.1063/1.1949515  0.825
2005 Neumann JG, Harris JR, Quinn B, O'Shea PG. Production of photoemission-modulated beams in a thermionic electron gun Review of Scientific Instruments. 76. DOI: 10.1063/1.1866652  0.848
2005 Cui Y, Zou Y, Reiser M, Kishek RA, Haber I, Bernal S, O'Shea PG. Coherent error study in a retarding field energy analyzer Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 544: 527-532. DOI: 10.1016/J.Nima.2005.01.286  0.871
2005 Haber I, Bernal S, Kishek RA, O'Shea PG, Quinn B, Reiser M, Zou Y, Friedman A, Grote DP, Vay JL. Measurement and simulation of the UMER beam in the source region Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 544: 441-446. DOI: 10.1016/J.Nima.2005.01.275  0.885
2005 Walter M, Quinn B, Lamb D, Bernal S, Godlove T, Haber I, Holloway M, Kishek RA, Li H, O'Shea PG, Reiser M. Experimental tests of the injection Y on the University of Maryland electron ring Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 544: 374-377. DOI: 10.1016/J.Nima.2005.01.263  0.842
2005 Li H, Bernal S, Godlove T, Huo Y, Kishek RA, Haber I, Quinn B, Walter M, Zou Y, Reiser M, O'Shea PG. Beam control and matching for the transport of intense beams Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 544: 367-373. DOI: 10.1016/J.Nima.2005.01.262  0.881
2005 Logan G, Bieniosek F, Celata C, Henestroza E, Kwan J, Lee EP, Leitner M, Prost L, Roy P, Seidl PA, Eylon S, Vay JL, Waldron W, Yu S, Barnard J, et al. Overview of US heavy-ion fusion progress and plans Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 544: 1-8. DOI: 10.1016/J.Nima.2005.01.237  0.734
2005 Kishek RA, Bernal S, Cui Y, Godlove TF, Haber I, Harris J, Huo Y, Li H, O'Shea PG, Quinn B, Reiser M, Walter M, Wilson M, Zou Y. HIF research on the University of Maryland Electron Ring (UMER) Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 544: 179-186. DOI: 10.1016/J.Nima.2005.01.235  0.876
2005 Harris JR, Neumann JG, O'Shea PG. Modulation of intense beams in the university of Maryland electron ring Proceedings of the 27th International Free Electron Laser Conference, Fel 2005. 628-631.  0.782
2005 Moody NA, Feldman DW, O'Shea PG, Jensen KL, Balter A. Measurement of low workfunction cesiated metals for use in dispenser photocathodes Proceedings of the 27th International Free Electron Laser Conference, Fel 2005. 168-171.  0.619
2005 Jensen KL, Feldman DW, Moody N, O'Shea PG, Balter A. Photoemission from coated surfaces: Comparison of theory to experiment Proceedings of the 27th International Free Electron Laser Conference, Fel 2005. 355-358.  0.627
2004 Cui Y, Zou Y, Reiser M, Kishek RA, Haber I, Bernal S, O'Shea PG. Measurement of beam energy spread in a space-charge dominated electron beam Physical Review Special Topics - Accelerators and Beams. 7: 49-56. DOI: 10.1103/Physrevstab.7.072801  0.886
2004 Cui Y, Zou Y, Valfells A, Reiser M, Walter M, Haber I, Kishek RA, Bernal S, O'Shea PG. Design and operation of a retarding field energy analyzer with variable focusing for space-charge-dominated electron beams Review of Scientific Instruments. 75: 2736-2745. DOI: 10.1063/1.1777384  0.876
2004 Bernal S, Li H, Godlove T, Haber I, Kishek RA, Quinn B, Reiser M, Walter M, Zou Y, O'Shea PG. Beam experiments in the extreme space-charge limit on the University of Maryland electron ring Physics of Plasmas. 11: 2907-2915. DOI: 10.1063/1.1668288  0.887
2004 Zou Y, Li H, Reiser M, O'Shea PG. Theoretical study of transverse emittance growth in a gridded electron gun Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 519: 432-441. DOI: 10.1016/J.Nima.2003.11.183  0.686
2004 Li H, Bernal S, Kishek RA, Haber I, Zou Y, O'Shea PG, Reiser M. Simulation studies on matching of space-charge-dominated beams for the University of Maryland Electron Ring Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 519: 405-411. DOI: 10.1016/J.Nima.2003.11.180  0.894
2004 Haber I, Bernal S, Celata CM, Friedman A, Grote DP, Kishek RA, Quinn B, O'Shea PG, Reiser M, Vay JL. Collective space-charge phenomena in the source region Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 519: 396-404. DOI: 10.1016/J.Nima.2003.11.178  0.869
2004 Bernal S, Beaudoin B, Cui Y, Glanzer M, Godlove TF, Harris J, Holloway M, Haber I, Kishek RA, Lee WT, Li H, Lamb D, Quinn B, Quirus M, Reiser M, et al. Intense beam transport experiments in a multi-bend system at the University of Maryland Electron Ring Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 519: 380-387. DOI: 10.1016/J.Nima.2003.11.176  0.87
2004 Bernal S, Li H, Godlove T, Haber I, Harris J, Kishek RA, Quinn B, Reiser M, Walter M, Wilson M, Zou Y, O'Shea PG. "Zero-current" to extreme space-charge beam transport experiments on the University of Maryland Electron Ring (UMER) Ieee International Conference On Plasma Science. 311.  0.82
2004 Fiorito RB, Neumann J, Freund HP, O'Shea PG, Loos H, Sheehy B, Carr GL, Graves WS. Coherent terahertz radiation from optically pre-bunched electron beams Conference Digest of the 2004 Joint 29th International Conference On Infrared and Millimeter Waves and 12th International Conference On Terahertz Electronics. 607-608.  0.777
2003 Zou Y, Cui Y, Haber I, Reiser M, O'Shea PG. Longitudinal space-charge effects in a retarding field energy analyzer Physical Review Special Topics - Accelerators and Beams. 6: 1-10. DOI: 10.1103/Physrevstab.6.112801  0.705
2003 Jensen KL, Feldman DW, Virgo M, O'Shea PG. Measurement and analysis of thermal photoemission from a dispenser cathode Physical Review Special Topics - Accelerators and Beams. 6: 91-104. DOI: 10.1103/Physrevstab.6.083501  0.808
2003 Jensen KL, Feldman DW, Virgo M, O'Shea PG. Infrared photoelectron emission from Scandate dispenser cathodes Applied Physics Letters. 83: 1269-1271. DOI: 10.1063/1.1600514  0.78
2003 Celata CM, Bieniosek FM, Henestroza E, Kwan JW, Lee EP, Logan G, Prost L, Seidl PA, Vay JL, Waldron WL, Yu SS, Barnard JJ, Callahan DA, Cohen RH, Friedman A, et al. Progress in heavy ion fusion research Physics of Plasmas. 10: 2064-2070. DOI: 10.1063/1.1560611  0.829
2003 Kishek RA, Bernal S, Bohn CL, Grote D, Haber I, Li H, O'Shea PG, Reiser M, Walter M. Simulations and experiments with space-charge-dominated beams Physics of Plasmas. 10: 2016-2021. DOI: 10.1063/1.1558291  0.863
2003 Freund HP, O'Shea PG, Neumann J. Simulation of prebunching in free-electron lasers Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 507: 400-403. DOI: 10.1016/S0168-9002(03)00953-7  0.764
2003 Freund HP, Douglas D, O'Shea PG. Multiple-beam free-electron lasers Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 507: 373-377. DOI: 10.1016/S0168-9002(03)00947-1  0.491
2003 Neumann JG, O'Shea PG, Demske D, Graves WS, Sheehy B, Loos H, Carr GL. Electron beam modulation using a laser-driven photocathode Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 507: 498-501. DOI: 10.1016/S0168-9002(03)00904-5  0.798
2003 Shkvarunets AG, Fiorito RB, O'Shea PG. Optical diffraction-transition radiation interferometry and its application to the measurement of beam divergence Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions With Materials and Atoms. 201: 153-160. DOI: 10.1016/S0168-583X(02)00952-7  0.513
2003 Harris JR, Valfells A, Beaudoin B, Bernal S, Diep A, Haber I, Huo Y, Quinn B, Reiser M, Walter M, O'Shea PG. Initial studies of longitudinal dynamics on UMER Proceedings of the Ieee Particle Accelerator Conference. 4: 2312-2314.  0.822
2003 Haber I, Bernal S, Kishek RA, O'Shea PG, Quinn B, Reiser M, Zou Y, Friedman A, Grote DP, Vay JL. Space-charge-dominated phenomena in the UMER source region Proceedings of the Ieee Particle Accelerator Conference. 4: 2673-2675.  0.81
2003 Walter M, Bernal S, Godlove T, Haber I, Kishek RA, Li H, Quinn B, Valfells A, Zou Y, Reiser M, O'Shea PG. Electro-mechanical design for injection in the university of Maryland electron ring Proceedings of the Ieee Particle Accelerator Conference. 3: 1673-1675.  0.662
2003 Fiorito RB, Shkvarunets AG, O'Shea PG. Measurement of electron beam divergence using OTR-ODR interferometry Proceedings of the Ieee Particle Accelerator Conference. 4: 2712-2714.  0.547
2003 Neumann J, O'Shea PG, Demske D, Fiorito R, Carr GL, Loos H, Shaftan T, Sheeny B, Wu Z. Study of coherent radiation from an electron beam prebunched at the photocathode Proceedings of the Ieee Particle Accelerator Conference. 3: 1497-1499.  0.811
2003 Walter M, Lamb D, Bernal S, Haber I, Kishek RA, Li H, Quinn B, Snowel M, Valfells A, Reiser M, O'Shea PG. Time resolved emittance measurement in the University of Maryland Electron Ring Proceedings of the Ieee Particle Accelerator Conference. 4: 2574-2576.  0.75
2003 Cui Y, Zou Y, Valfells A, Haber I, Kishek R, Reiser M, O'Shea PG. Experimental study of energy spread in a space-charge dominated electron beam Proceedings of the Ieee Particle Accelerator Conference. 5: 3156-3158.  0.68
2003 Bernal S, Beaudoin B, Cui Y, Feldman D, Feldman R, Glanzer M, Godlove T, Haber I, Harris J, Holloway M, Huo Y, Kishek RA, Lamb D, Lee WT, Li H, et al. Beam transport experiments over half-turn at the University of Maryland Electron Ring (UMER) Proceedings of the Ieee Particle Accelerator Conference. 1: 426-428.  0.876
2003 Feldman DW, O'Shea PG, Virgo M, Jensen KL. Development of dispenser photocathodes for RF photoinjectors Proceedings of the Ieee Particle Accelerator Conference. 5: 3323-3325.  0.784
2003 Walter M, Bernal S, Diep A, Glanzer M, Haber I, Harris J, Kishek RA, Lamb D, Lee W, Li H, Quinn B, Quirus M, Valfells A, Reiser M, O'Shea PG. Alignment of components at the University of Maryland Electron Ring Proceedings of the Ieee Particle Accelerator Conference. 4: 2577-2579.  0.574
2003 Li H, Kishek RA, Bernal S, Godlove T, Walter M, O'Shea PG, Reiser M. Beam optics design on a new injection scheme for the university of Maryland electron ring (UMER) Proceedings of the Ieee Particle Accelerator Conference. 3: 1676-1678.  0.74
2003 Quinn B, Beaudoin B, Bernal S, Diep A, Harris J, Holloway M, Lamb D, Lee W, Glanzer M, Quirus M, Reiser M, Walter M, Valfells A, Yun R, O'Shea PG. Design and testing of a fast beam position monitor Proceedings of the Ieee Particle Accelerator Conference. 4: 2571-2573.  0.809
2002 Zou Y, Cui Y, Yun V, Valfells A, Kishek RA, Bernal S, Haber I, Reiser M, O'Shea PG, Wang JG. Compact high-resolution retarding field energy analyzer for space-charge-dominated electron beams Physical Review Special Topics - Accelerators and Beams. 5: 7-13. DOI: 10.1103/Physrevstab.5.072801  0.867
2002 Bernal S, Quinn B, Reiser M, O'Shea PG. Edge imaging in intense beams Physical Review Special Topics - Accelerators and Beams. 5: 86-94. DOI: 10.1103/Physrevstab.5.064202  0.835
2002 Valfells A, Feldman DW, Virgo M, O'Shea PG, Lau YY. Effects of pulse-length and emitter area on virtual cathode formation in electron guns Physics of Plasmas. 9: 2377-2382. DOI: 10.1063/1.1463065  0.806
2002 O'Shea PG, Kishek RA, Reiser M, Beaudoin B, Bernal S, Cui Y, Diep A, Feldman D, Glanzer M, Godlove TF, Haber I, Harris J, Li H, Neumann J, Quinn B, et al. Experiments with space-charge-dominated beams for heavy ion fusion applications Laser and Particle Beams. 20: 599-602. DOI: 10.1017/S0263034602204218  0.876
2002 Freund HP, O'Shea PG. A polychromatic FEL light source using a single electron beam and multiple wigglers Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 483: 449-454. DOI: 10.1016/S0168-9002(02)00360-1  0.475
2001 O'Shea PG, Freund HP. Free-electron lasers. Status and applications. Science (New York, N.Y.). 292: 1853-8. PMID 11397938 DOI: 10.1126/Science.1055718  0.415
2001 Kishek RA, O'Shea PG, Reiser M. Erratum: Energy Transfer in Nonequilibrium Space-Charge-Dominated Beams [Phys. Rev. Lett. 85, 4514 (2000)] Physical Review Letters. 86: 2698-2698. DOI: 10.1103/Physrevlett.86.2698  0.787
2001 O'Shea PG, Reiser M, Kishek RA, Bernal S, Li H, Pruessner M, Yun V, Cui Y, Zhang W, Zou Y, Godlove T, Kehne D, Haldemann P, Haber I. The University Maryland Electron Ring (UMER) Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 464: 646-652. DOI: 10.1016/S0168-9002(01)00156-5  0.895
2001 Kehne D, Godlove T, Haldemann P, Bernal S, Guharay S, Kishek R, Li Y, O'Shea P, Reiser M, Yun V, Zou Y, Haber I. Injector for the University of Maryland Electron Ring (UMER) Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 464: 605-609. DOI: 10.1016/S0168-9002(01)00149-8  0.878
2001 Virgo M, Kishek RA, Bernal S, Li H, Walter M, Godlove TF, Reiser M, O'Shea PG, Kehne D. Controls and alignment for the University of Maryland Electron Ring Proceedings of the Ieee Particle Accelerator Conference. 2: 1177-1179.  0.866
2001 Kishek RA, Bohn CL, Haber I, O'Shea PG, Reiser M, Kandrup H. Computational investigation of dissipation and reversibility of space-charge driven processes in beams Proceedings of the Ieee Particle Accelerator Conference. 1: 151-153.  0.633
2001 Harris J, Quinn B, Pruessner M, Yun V, Reiser M, Bernal S, O'Shea PG. A fast beam position monitor for UMER Proceedings of the Ieee Particle Accelerator Conference. 2: 1387-1389.  0.594
2001 Neuman CP, Graves WS, Carr GL, O'Shea PG. Measurement of coherent off-axis undulator radiation as a beam diagnostic Proceedings of the Ieee Particle Accelerator Conference. 3: 2368-2370.  0.708
2001 Bernal S, Li H, Virgo M, Kwon SP, Holland M, Kishek RA, Valfells A, Godlove T, O'Shea PG, Reiser M, Yun V, Kehne D. Beam tests of the 10 KeV injector for the University of Maryland Electron Ring (UMER) Proceedings of the Ieee Particle Accelerator Conference. 3: 2129-2131.  0.872
2001 Li H, Bernal S, Kishek RA, Godlove T, O'Shea PG, Reiser M. Printed-circuit magnets for the University of Maryland Electron Ring (UMER) - New developments Proceedings of the Ieee Particle Accelerator Conference. 3: 1802-1804.  0.671
2001 Valfells A, Bernal S, Cui YP, Kishek RA, O'Shea PG, Quinn B, Reiser M, Virgo M, Yun V, Nishiura M. Energy analyzer experiments for the university of Maryland electron ring Proceedings of the Ieee Particle Accelerator Conference. 5: 3582-3584.  0.864
2001 Feldman DW, Valfells A, Neumann J, Harris J, Beaudoin B, O'Shea PG, Virgo M. Combined thermionic and photoelectric emission from dispenser cathodes Proceedings of the Ieee Particle Accelerator Conference. 3: 2132-2134.  0.822
2001 O'Shea PG, Baudoin B, Bernal S, Cui Y, Feldman D, Glanzer M, Godlove T, Harris J, Holland M, Li H, Kishek R, Quinn B, Rahimi N, Reiser M, Valfells A, et al. The university of Maryland Electron ring (UMER) Proceedings of the Ieee Particle Accelerator Conference. 1: 159-163.  0.89
2000 Kishek RA, O'Shea PG, Reiser M. Energy transfer in nonequilibrium space-charge-dominated beams Physical Review Letters. 85: 4514-7. PMID 11082584 DOI: 10.1103/Physrevlett.85.4514  0.79
2000 Freund HP, O'Shea PG. Two-color operation in high-gain free-electron lasers Physical Review Letters. 84: 2861-4. PMID 11018961 DOI: 10.1103/Physrevlett.84.2861  0.333
2000 Zhang WW, Bernal S, Li H, Godlove T, Kishek RA, O'Shea PG, Reiser M, Yun V, Venturini M. Design and field measurements of printed-circuit quadrupoles and dipoles Physical Review Special Topics - Accelerators and Beams. 3: 37-46. DOI: 10.1103/Physrevstab.3.122401  0.784
2000 Neuman CP, Graves WS, O'Shea PG. Coherent off-axis undulator radiation from short electron bunches Physical Review Special Topics - Accelerators and Beams. 3: 11-19. DOI: 10.1103/Physrevstab.3.030701  0.652
1999 Neuman CP, Ponds ML, Barnett GA, Madey JMJ, O'Shea PG. Non-destructive electron beam diagnostic for a SASE FEL using coherent off-axis undulator radiation Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 429: 287-292. DOI: 10.1016/S0168-9002(99)00127-8  0.687
1999 Freund HP, O'Shea PG. Electron beam matching and its influence on the performance of high-gain free-electron lasers Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 429: 219-224. DOI: 10.1016/S0168-9002(99)00107-2  0.618
1999 Reiser M, O'Shea PG, Kishek RA, Bernal S, Chin P, Guharay S, Li Y, Venturini M, Wang JG, Yun V, Zhang W, Zou Y, Pruessner M, Godlove T, Kehne D. Maryland electron ring for investigating space-charge dominated beams in a circular FODO system Proceedings of the Ieee Particle Accelerator Conference. 1: 234-236.  0.814
1999 Neuman CP, Graves WS, O'Shea PG. Non-interrupting electron beam diagnostic using coherent off-axis undulator radiation Proceedings of the Ieee Particle Accelerator Conference. 3: 1949-1951.  0.714
1998 O'Shea PG. Free-Electron Lasers: Bright Light Sources For The Future Optics & Photonics News. 9: 46-50. DOI: 10.1364/Opn.9.5.000046  0.343
1998 Freund HP, O'Shea PG. Effect of a matched electron beam on high-gain free-electron-laser amplifier performance Physical Review Letters. 80: 520-523. DOI: 10.1103/Physrevlett.80.520  0.57
1997 Freund HP, O'Shea PG, Madey JMJ, Neuman CP. Free-electron laser design operating in the SASE mode using the PALADIN wiggler Proceedings of Spie - the International Society For Optical Engineering. 3154: 144-149. DOI: 10.1117/12.279384  0.755
1997 O'Shea PG, Neuman CP, Madey JMJ, Freund HP. Short wavelength SASE at Duke using the PALADIN wiggler Proceedings of Spie - the International Society For Optical Engineering. 2988: 38-45. DOI: 10.1117/12.274396  0.693
1997 Litvinenko VN, Burnham B, Emamian M, Hower N, Madey JMJ, Morcombe P, O'Shea PG, Park SH, Sachtschale R, Straub KD, Swift G, Wang P, Wu Y, Canon RS, Howell CR, et al. Gamma-Ray Production in a Storage Ring Free-Electron Laser Physical Review Letters. 78: 4569-4572. DOI: 10.1103/Physrevlett.78.4569  0.532
1996 O'Shea PG, Litvinenko VN, Madey JMJ, Roberson NR, Schreiber EC, Straub KD, Weeks KJ, Weller HR, Wu Y. Inverse Compton γ-ray source for nuclear physics and related applications Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 375: 530-534. DOI: 10.1016/0168-9002(96)00052-6  0.308
1996 Carman TS, Litveninko V, Madey J, Neuman C, Norum B, O'Shea PG, Roberson NR, Scarlett CY, Schreiber E, Weller HR. The TUNL-FELL inverse Compton γ-ray source as a nuclear physics facility Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 378: 1-20. DOI: 10.1016/0168-9002(95)01486-1  0.792
1996 Ponds ML, Feng Y, Madey JMJ, O'Shea PG. Non-destructive diagnosis of relativistic electron beams using a short undulator Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment. 375: 136-139. DOI: 10.1016/0168-9002(95)01427-6  0.641
1995 O'Shea PG. High-brightness rf photocathode guns for single pass X-ray free-electron lasers Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment. 358: 36-39. DOI: 10.1016/0168-9002(94)01501-5  0.51
1995 McKee CB, O'Shea PG, Madey JMJ. Phase space tomography of relativistic electron beams Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment. 358: 264-267. DOI: 10.1016/0168-9002(94)01411-6  0.488
1994 O'Shea PG, Bender SC, Byrd DA, Early JW, Feldman DW, Fortgang CM, Goldstein JC, Newnam BE, Sheffield RL, Warren RW, Zaugg TJ. Demonstration of ultraviolet lasing with a low energy electron beam Nuclear Inst. and Methods in Physics Research, A. 341: 7-11. DOI: 10.1016/0168-9002(94)90306-9  0.545
1993 O'Shea PG, Bender SC, Byrd DA, Early JW, Feldman DW, Fortgang CM, Goldstein JC, Newnam BE, Sheffield RL, Warren RW, Zaugg TJ. Ultraviolet free-electron laser driven by a high-brightness 45-MeV electron beam. Physical Review Letters. 71: 3661-3664. PMID 10055040 DOI: 10.1103/Physrevlett.71.3661  0.54
1993 White CJ, Coyle MR, Paxton AH, O'Shea PG, Bender SC, Byrd DA, Feldman DW, Goldstein JC, Pitcher EJ, Zaugg TJ. Experiments in sideband suppression on the Los Alamos National Laboratory Free-Electron Laser Proceedings of Spie. 1868: 286-301. DOI: 10.1117/12.150635  0.346
1993 Carlsten BE, Goldstein JC, O'Shea PG, Pitcher EJ. Measuring emittance of nonthermalized electron beams from photoinjectors Nuclear Inst. and Methods in Physics Research, A. 331: 791-796. DOI: 10.1016/0168-9002(93)90159-F  0.662
1993 O'Shea PG, Bender SC, Carlsten BE, Early JW, Feldman DW, Lumpkin AH, Feldman RB, Goldstein JC, McKenna KF, Martineau R, Pitcher EJ, Schmitt MJ, Stein WE, Wilke MD, Zaugg TJ. Performance of the APEX free-electron laser at Los Alamos National Laboratory Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment. 331: 62-68. DOI: 10.1016/0168-9002(93)90014-9  0.549
1993 Warren RW, O'Shea PG, Bender SC, Carlsten BE, Early JW, Feldman DW, Fortgang CM, Goldstein JC, Schmitt MJ, Stein WE, Wilke MD, Zaugg TJ, Newnam BE, Sheffield RL. Lasing attempt with a microwiggler on the Los Alamos FEL Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment. 331: 48-51. DOI: 10.1016/0168-9002(93)90011-6  0.32
1992 Lumpkin AH, Feldman RB, Apgar SA, Feldman DW, O'Shea PG, Fiorito RB, Rule DW. Initial electron-beam characterizations for the Los Alamos APEX facility Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment. 318: 415-421. DOI: 10.1016/0168-9002(92)91091-M  0.591
1992 Newnam BE, Warren RW, Goldstein JC, Schmitt MJ, Bender SC, Carlsten BE, Feldman DW, O'Shea PG. The Los Alamos POP Project: FEL oscillator experiments in the ultraviolet and beyond☆ Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment. 318: 197-200. DOI: 10.1016/0168-9002(92)91050-J  0.453
1992 O'Shea PG, Bender SC, Byrd DA, Carlsten BE, Early JW, Feldman DW, Feldman RB, Johnson WJD, Lumpkin AH, Schmitt MJ, Springer RW, Stein WE, Zaugg TJ. Initial results from the Los Alamos photoinjector-driven free-electron laser Nuclear Inst. and Methods in Physics Research, A. 318: 52-57. DOI: 10.1016/0168-9002(92)91023-3  0.534
1991 O'Shea PG. Los Alamos photoinjector-driven free-electron laser Proceedings of Spie. 1552: 36-41. DOI: 10.1117/12.50590  0.597
1991 Feldman DW, Bender SC, Carlsten BE, Early J, Feldman RB, Joel W, Johnson D, Lumpkin AH, O'Shea PG, Stein WE, Sheffield RL, Young LM. Experimental Results from the Los Alamos FEL Photoinjector Ieee Journal of Quantum Electronics. 27: 2636-2643. DOI: 10.1109/3.104143  0.594
1991 Carlsten BE, Young LM, Jones ME, Thode LE, Lumpkin AH, Feldman DW, Feldman RB, Blind B, Browman MJ, O'Shea PG. Design and analysis of experimental performance of the Los Alamos HIBAF facility accelerator using the INEX computer model Ieee Journal of Quantum Electronics. 27: 2580-2597. DOI: 10.1109/3.104137  0.432
1991 Carlsten BE, Young LM, Browman MJ, Takeda H, Feldman DM, O'Shea PG, Lumpkin AH. INEX simulations of experimentally measured accelerator performance at the Los Alamos HIBAF facility Nuclear Inst. and Methods in Physics Research, A. 304: 587-592. DOI: 10.1016/0168-9002(91)90934-I  0.532
1991 Feldman DW, Bender SC, Carlsten BE, Early J, Feldman RB, Johnson WJD, Lumpkin AH, O'Shea PG, Stein WE, Sheffield RL, McKenna K. Performance of the Los Alamos HIBAF accelerator at 17 MeV Nuclear Inst. and Methods in Physics Research, A. 304: 224-227. DOI: 10.1016/0168-9002(91)90855-K  0.634
1989 Schrage D, Young L, Campbell B, Billen JH, Stovall J, Martinez F, Clark W, Bolme G, Gibbs S, King D, O'Shea P, Butler T, Rathke J, Micich R, Rose J, et al. Bear rfq-beam experiment aboard a rocket Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions With Materials and Atoms. 40: 949-953. DOI: 10.1016/0168-583X(89)90514-4  0.507
1989 O'Shea PG, Schrage DL, Young LM, Zaugg TJ, Lynch MT, McKenna KF, Hansborough LD. Laboratory performance of the bear RFQ Nuclear Inst. and Methods in Physics Research, B. 40: 946-948. DOI: 10.1016/0168-583X(89)90513-2  0.598
1987 Destler WW, O'Shea PG, Segalov Z. Experimental study of propagation of intense relativistic electron beams in nonconducting vacuum drift tubes after passage through a localized plasma source Journal of Applied Physics. 61: 2458-2462. DOI: 10.1063/1.337916  0.752
1986 O'Shea PG, Destler WW, Rodgers J, Segalov Z. Laser-controlled collective ion accelerator Applied Physics Letters. 49: 1696-1698. DOI: 10.1063/1.97270  0.662
1985 Destler WW, O'Shea PG, Segalov Z. COLLECTIVE ACCELERATION AND THE PROPAGATION OF INTENSE BEAMS INTO VACUUM Ieee Transactions On Nuclear Science. DOI: 10.1109/Tns.1985.4334402  0.763
1984 Destler WW, O'Shea PG, Reiser M. Propagation in vacuum of an intense electron beam injected through a localized plasma Physical Review Letters. 52: 1978-1981. DOI: 10.1103/Physrevlett.52.1978  0.797
1984 O'Shea PG, Welsh D, Destler WW, Striffler CD. Intense relativistic electron beam propagation in evacuated drift tubes Journal of Applied Physics. 55: 3934-3939. DOI: 10.1063/1.332979  0.735
1983 Destler WW, O'Shea PG, Reiser M, Striffler CD, Welsh D, Fleischmann HH. Studies of the helix controlled beam front accelerator concept Ieee Transactions On Nuclear Science. 30: 3183-3185. DOI: 10.1109/Tns.1983.4336608  0.799
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