Frank Anthony Hegmann - Publications

Affiliations: 
1994 McMaster University, Hamilton, ON, Canada 
 1995-1997 Physics University of California, Santa Barbara, Santa Barbara, CA, United States 
 1997- Physics University of Alberta, Edmonton, Alberta, Canada 

101 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
2021 Lloyd-Hughes J, Oppeneer P, Pereira Dos Santos T, Schleife A, Meng S, Sentef MA, Ruggenthaler M, Rubio A, Radu I, Murnane M, Shi X, Kapteyn H, Stadtmüller B, Dani KM, da Jornada F, ... ... Hegmann FA, et al. The 2021 Ultrafast Spectroscopic Probes of Condensed Matter Roadmap. Journal of Physics. Condensed Matter : An Institute of Physics Journal. PMID 33951618 DOI: 10.1088/1361-648X/abfe21  0.701
2020 Bagsican FRG, Wais M, Komatsu N, Gao W, Weber LW, Serita K, Murakami H, Held K, Hegmann FA, Tonouchi M, Kono J, Kawayama I, Battiato M. Terahertz Excitonics in Carbon Nanotubes: Exciton Autoionization and Multiplication. Nano Letters. PMID 32227963 DOI: 10.1021/Acs.Nanolett.9B05082  0.356
2019 Li G, Amer N, Hafez H, Huang S, Turchinovich D, Mochalin VN, Hegmann FA, Titova LV. Dynamical control over terahertz electromagnetic interference shielding with 2D Ti3C2Ty MXene by ultrafast optical pulses. Nano Letters. PMID 31825625 DOI: 10.1021/Acs.Nanolett.9B04404  0.762
2018 Parke SM, Narreto MAB, Hupf E, McDonald R, Ferguson MJ, Hegmann FA, Rivard E. Understanding the Origin of Phosphorescence in Bismoles: A Synthetic and Computational Study. Inorganic Chemistry. PMID 29553730 DOI: 10.1021/Acs.Inorgchem.8B00149  0.312
2018 Purschke DN, Na M, Longman A, Titova LV, Hegmann FA. Enhancement of hot-carrier photoluminescence with intense terahertz pulses Applied Physics Letters. 112: 072105. DOI: 10.1063/1.5009470  0.668
2018 Hough CM, Purschke DN, Huang C, Titova LV, Kovalchuk O, Warkentin BJ, Hegmann FA. Topology-Based Prediction of Pathway Dysregulation Induced by Intense Terahertz Pulses in Human Skin Tissue Models Journal of Infrared, Millimeter, and Terahertz Waves. 39: 887-898. DOI: 10.1007/S10762-018-0512-4  0.643
2017 Kilcullen P, Shegelski M, Na M, Purschke D, Hegmann F, Reid M. Terahertz Spectroscopy and Brewster Angle Reflection Imaging of Acoustic Tiles Journal of Spectroscopy. 2017: 1-6. DOI: 10.1155/2017/2134868  0.327
2016 Hegmann FA. Nanoscale Imaging with Terahertz Scanning Tunneling Microscopy Sensors. DOI: 10.1364/Sensors.2016.Setu3E.2  0.379
2016 Jelic V, Iwaszczuk K, Nguyen PH, Rathje C, Hornig GJ, Sharum HM, Hoffman JR, Freeman MR, Hegmann FA. Ultrafast Terahertz Scanning Tunneling Microscopy with Atomic Resolution Frontiers in Optics. DOI: 10.1364/Fio.2016.Ff3F.2  0.317
2016 Titova LV, Cocker TL, Xu S, Baribeau J, Wu X, Lockwood DJ, Hegmann FA. Ultrafast carrier dynamics and the role of grain boundaries in polycrystalline silicon thin films grown by molecular beam epitaxy Semiconductor Science and Technology. 31: 105017. DOI: 10.1088/0268-1242/31/10/105017  0.658
2015 De Los Reyes GB, Dasog M, Na M, Titova LV, Veinot JG, Hegmann FA. Charge transfer state emission dynamics in blue-emitting functionalized silicon nanocrystals. Physical Chemistry Chemical Physics : Pccp. 17: 30125-33. PMID 26498837 DOI: 10.1039/C5Cp04819B  0.62
2015 Titova LV, Pint CL, Zhang Q, Hauge RH, Kono J, Hegmann FA. Generation of terahertz radiation by optical excitation of aligned carbon nanotubes. Nano Letters. 15: 3267-72. PMID 25879274 DOI: 10.1021/Acs.Nanolett.5B00494  0.636
2015 Wang Z, Su F, Hegmann FA. Ultrafast imaging of terahertz Cherenkov waves and transition-like radiation in LiNbO₃. Optics Express. 23: 8073-86. PMID 25837145 DOI: 10.1364/Oe.23.008073  0.614
2015 Wang Z, Su FH, Hegmann FA. Ultrafast imaging of terahertz Cherenkov waves and transition-like radiation in LiNbO<inf>3</inf> Optics Express. 23: 8073-8086. DOI: 10.1364/OE.23.008073  0.572
2015 Titova LV, Xu S, Baribeau JM, Lockwood DJ, Hegmann FA. Terahertz spectroscopy: Studying carrier dynamics in semiconductor nanostructures Ecs Transactions. 69: 51-57. DOI: 10.1149/06914.0051ecst  0.667
2015 Wang Z, Hu F, Chen W, Hegmann FA. Terahertz Polarization Properties of Free-Standing Millimeter-Scale Carbon Nanotube Array Sheets Cut With Femtosecond Laser Pulses Ieee Transactions On Terahertz Science and Technology. DOI: 10.1109/Tthz.2015.2396296  0.566
2015 Jelic V, Cocker TL, Nguyen PH, Rathje C, Hornig GJ, Hoffman JR, Sharum HM, Miller R, Molesky SJ, Gupta M, Burgess JAJ, De Los Reyes GB, Titova LV, Ropers C, Tsui YY, ... ... Hegmann FA, et al. Imaging ultrafast dynamics on the nanoscale with THz-STM Irmmw-Thz 2015 - 40th International Conference On Infrared, Millimeter, and Terahertz Waves. DOI: 10.1109/IRMMW-THz.2015.7327886  0.71
2015 Yang Z, De Los Reyes GB, Titova LV, Sychugov I, Dasog M, Linnros J, Hegmann FA, Veinot JGC. Evolution of the ultrafast photoluminescence of colloidal silicon nanocrystals with changing surface chemistry Acs Photonics. 2: 595-605. DOI: 10.1021/Acsphotonics.5B00143  0.603
2014 Dasog M, De los Reyes GB, Titova LV, Hegmann FA, Veinot JG. Size vs surface: tuning the photoluminescence of freestanding silicon nanocrystals across the visible spectrum via surface groups. Acs Nano. 8: 9636-48. PMID 25183018 DOI: 10.1021/Nn504109A  0.615
2014 Laforge JM, Cocker TL, Beaudry AL, Cui K, Tucker RT, Taschuk MT, Hegmann FA, Brett MJ. Conductivity control of as-grown branched indium tin oxide nanowire networks. Nanotechnology. 25: 035701. PMID 24346484 DOI: 10.1088/0957-4484/25/3/035701  0.689
2014 Titova LV, Ayesheshim AK, Purschke D, Golubov A, Rodriguez-Juarez R, Woycicki R, Hegmann FA, Kovalchuk O. Effect of intense THz pulses on expression of genes associated with skin cancer and inflammatory skin conditions Progress in Biomedical Optics and Imaging - Proceedings of Spie. 8941. DOI: 10.1117/12.2044167  0.643
2014 Jelic V, Cocker TL, Hoffman JR, Gupta M, Miller R, Molesky SJ, Burgess JAJ, De Los Reyes GB, Titova LV, Tsui YY, Freeman MR, Hegmann FA. Ultrafast THz-pulse-induced tunneling dynamics in an STM Proceedings of Spie - the International Society For Optical Engineering. 8984. DOI: 10.1117/12.2040413  0.803
2014 Cocker TL, Jelic V, Hoffman JR, Gupta M, Miller R, Molesky SJ, Burgess JAJ, De Los Reyes G, Titova LV, Tsui YY, Freeman MR, Hegmann FA. Imaging ultrafast dynamics on the nanoscale with a THz-STM Proceedings of Spie - the International Society For Optical Engineering. 8984. DOI: 10.1117/12.2037447  0.797
2014 Robbiano V, Abdellah A, Santarelli L, Falco A, El-Molla S, Titova LV, Purschke DN, Hegmann FA, Cacialli F, Lugli P. Analysis of sprayed carbon nanotube films on rigid and flexible substrates 14th Ieee International Conference On Nanotechnology, Ieee-Nano 2014. 650-654. DOI: 10.1109/NANO.2014.6968021  0.597
2014 Cocker TL, Jelic V, Hoffman JR, Gupta M, Miller R, Molesky SJ, Burgess JAJ, De Los Reyes G, Titova LV, Tsui YY, Freeman MR, Hegmann FA. Terahertz STM for imaging ultrafast nanoscale dynamics Optics Infobase Conference Papers 0.749
2013 Titova LV, Ayesheshim AK, Golubov A, Rodriguez-Juarez R, Woycicki R, Hegmann FA, Kovalchuk O. Intense THz pulses down-regulate genes associated with skin cancer and psoriasis: a new therapeutic avenue? Scientific Reports. 3: 2363. PMID 23917523 DOI: 10.1038/Srep02363  0.622
2013 Titova LV, Ayesheshim AK, Golubov A, Fogen D, Rodriguez-Juarez R, Hegmann FA, Kovalchuk O. Intense THz pulses cause H2AX phosphorylation and activate DNA damage response in human skin tissue. Biomedical Optics Express. 4: 559-68. PMID 23577291 DOI: 10.1364/Boe.4.000559  0.653
2013 Titova LV, Ayesheshim AK, Golubov A, Rodriguez-Juarez R, Kovalchuk A, Hegmann FA, Kovalchuk O. Intense picosecond THz pulses alter gene expression in human skin tissue in vivo Progress in Biomedical Optics and Imaging - Proceedings of Spie. 8585. DOI: 10.1117/12.2004998  0.639
2013 Cocker TL, Jelic V, Gupta M, Molesky SJ, Burgess JAJ, De Los Reyes G, Titova LV, Tsui YY, Freeman MR, Hegmann FA. Imaging ultrafast nanoscale dynamics with a THz-pulse-coupled STM Optics Infobase Conference Papers. DOI: 10.1109/CLEOE-IQEC.2013.6801037  0.712
2013 Cocker TL, Jelic V, Gupta M, Molesky SJ, Burgess JAJ, Reyes GDL, Titova LV, Tsui YY, Freeman MR, Hegmann FA. An ultrafast terahertz scanning tunnelling microscope Nature Photonics. 7: 620-625. DOI: 10.1038/Nphoton.2013.151  0.801
2013 Laforge JM, Gyenes B, Xu S, Haynes LK, Titova LV, Hegmann FA, Brett MJ. Tuning iron pyrite thin film microstructure by sulfurization of columnar iron precursors Solar Energy Materials and Solar Cells. 117: 306-314. DOI: 10.1016/J.Solmat.2013.06.028  0.609
2013 Cocker TL, Jelic V, Gupta M, Molesky SJ, Burgess JAJ, De Los Reyes G, Titova LV, Tsui YY, Freeman MR, Hegmann FA. Imaging ultrafast nanoscale dynamics with a THz-pulse-coupled STM Optics Infobase Conference Papers 0.712
2012 Titova LV, Cocker TL, Wang X, Meldrum A, Hegmann FA. Ultrafast carrier dynamics in silicon nanocrystal films Ecs Transactions. 45: 21-29. DOI: 10.1149/1.3700406  0.782
2012 Cocker TL, Titova LV, Fourmaux S, Holloway G, Bandulet HC, Brassard D, Kieffer JC, El Khakani MA, Hegmann FA. Phase diagram of the ultrafast photoinduced insulator-metal transition in vanadium dioxide Physical Review B - Condensed Matter and Materials Physics. 85. DOI: 10.1103/Physrevb.85.155120  0.773
2012 Wang Z, Ayesheshim A, Su FH, Hegmann FA. Ultrafast imaging of terahertz pulse generation by tilted optical pulse front in LiNbO3 Cleo: Science and Innovations, Cleo_si 2012 0.312
2011 Blanchard F, Golde D, Su FH, Razzari L, Sharma G, Morandotti R, Ozaki T, Reid M, Kira M, Koch SW, Hegmann FA. Effective mass anisotropy of hot electrons in nonparabolic conduction bands of n-doped InGaAs films using ultrafast terahertz pump-probe techniques. Physical Review Letters. 107: 107401. PMID 21981526 DOI: 10.1103/Physrevlett.107.107401  0.369
2011 Kabir A, Ayesheshim A, Titova LV, Wang Z, Abivin P, Cheng Y, Indo K, Hegmann FA. Dielectric properties of heavy oils using terahertz time-domain spectroscopy Optics Infobase Conference Papers. DOI: 10.1364/Sensors.2011.Stub5  0.676
2011 Hegmann F. High power terahertz pulse generation, imaging, and detection Sensors. DOI: 10.1364/Sensors.2011.Stua4  0.444
2011 Cooke DG, Titova LV, Cocker TL, Hegmann FA, Meldrum A, Krebs FC, Uhd Jepsen P. Transient reflective ultra-broadband THz spectroscopy Optics Infobase Conference Papers. DOI: 10.1364/Sensors.2011.Stua2  0.776
2011 Blanchard F, Sharma G, Razzari L, Ropagnol X, Bandulet HC, Vidal F, Morandotti R, Kieffer JC, Ozaki T, Tiedje H, Haugen H, Reid M, Hegmann F. Generation of intense terahertz radiation via optical methods Ieee Journal On Selected Topics in Quantum Electronics. 17: 5-16. DOI: 10.1109/Jstqe.2010.2047715  0.401
2011 Titova LV, Cocker TL, Cooke DG, Wang X, Meldrum A, Hegmann FA. Erratum: Ultrafast percolative transport dynamics in silicon nanocrystal films [Phys. Rev. B83, 085403 (2011)] Physical Review B. 83. DOI: 10.1103/Physrevb.83.159903  0.689
2011 Titova LV, Cocker TL, Cooke DG, Wang X, Meldrum A, Hegmann FA. Ultrafast percolative transport dynamics in silicon nanocrystal films Physical Review B - Condensed Matter and Materials Physics. 83. DOI: 10.1103/Physrevb.83.085403  0.792
2011 Wang Z, Su FH, Hegmann FA. Ultrafast imaging of terahertz pulse generation by Cherenkov radiation in LiNbO3 Optics Infobase Conference Papers 0.303
2010 Razzari L, Blanchard F, Su FH, Sharma G, Ayesheshim A, Cocker TL, Titova LV, Bandulet HC, Morandotti R, Kieffer JC, Ozaki T, Reid M, Hegmann FA. Terahertz nonlinear spectroscopy of free-carriers in direct bandgap semiconductors Proceedings of Spie - the International Society For Optical Engineering. 7763. DOI: 10.1117/12.858332  0.791
2010 Morandotti R, Razzari L, Blanchard F, Su FH, Sharma G, Ayesheshim A, Cocker TL, Titova LV, Bandulet HC, Kieffer JC, Ozaki T, Reid M, Hegmann FA. Application of high power terahertz sources to nonlinear spectroscopy of direct bandgap semiconductors Proceedings - 10th International Conference On Laser and Fiber-Optical Networks Modeling, Lfnm'2010, 2nd Ieee International Workshop On Thz Radiation: Basic Research and Applications, Tera'2010. 248-250. DOI: 10.1109/Tera.2010.5619929  0.723
2010 Morandotti R, Razzari L, Blanchard F, Su FH, Sharma G, Ayesheshim A, Cocker TL, Titova LV, Bandulet HC, Kieffer JC, Ozaki T, Reid M, Hegmann FA. High power terahertz sources for nonlinear spectroscopy of direct bandgap semiconductors 2010 23rd Annual Meeting of the Ieee Photonics Society, Photinics 2010. 44-45. DOI: 10.1109/Photonics.2010.5698748  0.722
2010 Sharma G, Razzari L, Su FH, Blanchard F, Ayesheshim A, Cocker TL, Titova LV, Bandulet HC, Ozaki T, Kieffer J, Morandotti R, Reid M, Hegmann FA. Time-Resolved Terahertz Spectroscopy of Free Carrier Nonlinear Dynamics in Semiconductors Ieee Photonics Journal. 2: 578-592. DOI: 10.1109/Jphot.2010.2050873  0.433
2010 Cocker TL, Titova LV, Fourmaux S, Bandulet HC, Brassard D, Kieffer JC, El Khakani MA, Hegmann FA. Terahertz conductivity of the metal-insulator transition in a nanogranular VO2 film Applied Physics Letters. 97. DOI: 10.1063/1.3518482  0.772
2010 Ozaki T, Blanchard F, Sharma G, Razzari L, Ropagnol X, Vidal F, Morandotti R, Kieffer JC, Reid M, Hegmann F. THz imaging and spectroscopy using intense THz sources at the advanced laser light source Physics Procedia. 5: 119-124. DOI: 10.1016/J.Phpro.2010.08.128  0.41
2009 Su FH, Blanchard F, Sharma G, Razzari L, Ayesheshim A, Cocker TL, Titova LV, Ozaki T, Kieffer JC, Morandotti R, Reid M, Hegmann FA. Terahertz pulse induced intervalley scattering in photoexcited GaAs. Optics Express. 17: 9620-9. PMID 19506611 DOI: 10.1364/Oe.17.009620  0.744
2009 Razzari L, Su FH, Sharma G, Blanchard F, Ayesheshim A, Bandulet HC, Morandotti R, Kieffer JC, Ozaki T, Reid M, Hegmann FA. Nonlinear ultrafast modulation of the optical absorption of intense few-cycle terahertz pulses in n -doped semiconductors Physical Review B - Condensed Matter and Materials Physics. 79. DOI: 10.1103/Physrevb.79.193204  0.455
2009 Razzari L, Su FH, Sharma G, Blanchard F, Ayesheshim A, Bandulet HC, Morandotti R, Kieffer JC, Ozaki T, Reid M, Hegmann FA. Terahertz open-aperture Z-scan in doped InGaAs 2009 Conference On Lasers and Electro-Optics and 2009 Conference On Quantum Electronics and Laser Science Conference, Cleo/Qels 2009 0.317
2008 Razzari L, Sharma G, Su F, Ayesheshim A, Blanchard F, Reid M, Bandulet HC, Morandotti R, Keiffer JC, Ozaki T, Teidje H, Haugen HK, Hegmann F. Generation of intense THz pulses in ZnTe Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-Leos. 787. DOI: 10.1109/LEOS.2008.4688856  0.329
2008 Gao J, Hegmann FA. Bulk photoconductive gain in pentacene thin films Applied Physics Letters. 93. DOI: 10.1063/1.3043431  0.342
2008 Cooke DG, Hegmann FA, Mazur YI, Wang ZM, Black W, Wen H, Salamo GJ, Mishima TD, Lian GD, Johnson MB. Ultrafast carrier capture dynamics in InGaAs∕GaAs quantum wires Journal of Applied Physics. 103: 023710. DOI: 10.1063/1.2831024  0.558
2007 Blanchard F, Razzari L, Bandulet HC, Sharma G, Morandotti R, Kieffer JC, Ozaki T, Reid M, Tiedje HF, Haugen HK, Hegmann FA. Generation of 1.5 microJ single-cycle terahertz pulses by optical rectification from a large aperture ZnTe crystal. Optics Express. 15: 13212-20. PMID 19550589 DOI: 10.1364/Oe.15.013212  0.421
2007 Blanchard F, Razzari L, Bandulet HC, Sharma G, Morandotti R, Kieffer JC, Ozaki T, Reid M, Tiedje HF, Haugen HK, Hegmann FA. Generation of 1.5 μJ single-cycle terahertz pulses by optical rectification from a large aperture ZnTe crystal Optics Express. 15: 13212-13220. DOI: 10.1364/OE.15.013212  0.305
2007 Hegmann FA, Cooke DG, Walther M. The nature of terahertz conductivity in nanomaterials Optics Infobase Conference Papers. DOI: 10.1364/Fio.2007.Stha2  0.38
2007 Blanchard F, Razzari L, Sharma G, Morandotti R, Keiffer JC, Ozaki T, Reid M, Tiedje HF, Haugen HK, Morris D, Hegmann FA, Hegmann F. Generation of high-power terahertz pulses at the advanced laser light source (ALLS) Optics Infobase Conference Papers. DOI: 10.1109/CLEO.2007.4452772  0.312
2007 Walther M, Cooke DG, Sherstan C, Hajar M, Freeman MR, Hegmann FA. Terahertz conductivity of thin gold films at the metal-insulator percolation transition Physical Review B - Condensed Matter and Materials Physics. 76. DOI: 10.1103/Physrevb.76.125408  0.547
2007 Cooke DG, MacDonald AN, Hryciw A, Meldrum A, Wang J, Li Q, Hegmann FA. Ultrafast terahertz conductivity of photoexcited nanocrystalline silicon Journal of Materials Science: Materials in Electronics. 18: 447-452. DOI: 10.1007/S10854-007-9248-Y  0.398
2006 Ostroverkhova O, Cooke DG, Hegmann FA, Anthony JE, Podzorov V, Gershenson ME, Jurchescu OD, Palstra TTM. Ultrafast photoconductivity in organic semiconductors Materials Research Society Symposium Proceedings. 935: 14-19. DOI: 10.1557/Proc-0935-K03-07  0.455
2006 Ostroverkhova O, Cooke DG, Hegmann FA, Anthony JE, Podzorov V, Gershenson ME, Jurchescu OD, Palstra TT. Ultrafast Photoconductivity in Organic Semiconductors Mrs Proceedings. 935. DOI: 10.1364/Fio.2005.Stud5  0.505
2006 Cooke DG, MacDonald AN, Hryciw A, Wang J, Li Q, Meldrum A, Hegmann FA. Transient terahertz conductivity in photoexcited silicon nanocrystal films Physical Review B - Condensed Matter and Materials Physics. 73. DOI: 10.1103/Physrevb.73.193311  0.553
2006 Ostroverkhova O, Cooke DG, Hegmann FA, Tykwinski RR, Parkin SR, Anthony JE. Anisotropy of transient photoconductivity in functionalized pentacene single crystals Applied Physics Letters. 89. DOI: 10.1063/1.2387135  0.476
2006 Cooke DG, Hegmann FA, Young EC, Tiedje T. Electron mobility in dilute GaAs bismide and nitride alloys measured by time-resolved terahertz spectroscopy Applied Physics Letters. 89. DOI: 10.1063/1.2349314  0.496
2006 Ostroverkhova O, Cooke DG, Hegmann FA, Anthony JE, Podzorov V, Gershenson ME, Jurchescu OD, Palstra TTM. Ultrafast carrier dynamics in pentacene, functionalized pentacene, tetracene, and rubrene single crystals Applied Physics Letters. 88. DOI: 10.1063/1.2193801  0.542
2006 Hegmann FA, Ostroverkhova O, Cooke DG. Probing Organic Semiconductors with Terahertz Pulses Photophysics of Molecular Materials: From Single Molecules to Single Crystals. 367-428. DOI: 10.1002/3527607323.ch7  0.5
2005 Zhao Y, Shirai Y, Slepkov AD, Cheng L, Alemany LB, Sasaki T, Hegmann FA, Tour JM. Synthesis, spectroscopic and nonlinear optical properties of multiple [60]fullerene-oligo(p-phenylene ethynylene) hybrids. Chemistry (Weinheim An Der Bergstrasse, Germany). 11: 3643-58. PMID 15815994 DOI: 10.1002/Chem.200401198  0.334
2005 Eisler S, Slepkov AD, Elliott E, Luu T, McDonald R, Hegmann FA, Tykwinski RR. Polyynes as a model for carbyne: synthesis, physical properties, and nonlinear optical response. Journal of the American Chemical Society. 127: 2666-76. PMID 15725024 DOI: 10.1021/Ja044526L  0.312
2005 Walther M, Chambers GS, Liu Z, Freeman MR, Hegmann FA. Emission and detection of terahertz pulses from a metal-tip antenna Journal of the Optical Society of America B: Optical Physics. 22: 2357-2365. DOI: 10.1364/Josab.22.002357  0.38
2005 Slepkov AD, Marsden JA, Miller JJ, Shirtcliff LD, Haley MM, Kamada K, Tykwinski RR, Hegmann FA. The effects of donor-acceptor substitution symmetry on the nonlinear absorption of two-dimensionally-conjugated isomeric chromophores Proceedings of Spie - the International Society For Optical Engineering. 5934: 1-9. DOI: 10.1117/12.617976  0.355
2005 Slepkov AD, Eisler S, Luu T, Elliot E, Tykwinski RR, Hegmann FA. The one-dimensional nature of polyynes Proceedings of Spie - the International Society For Optical Engineering. 5935: 1-8. DOI: 10.1117/12.617926  0.316
2005 Cooke DG, MacDonald AN, Hryciw A, Meldrum A, Hegmann FA, Mazur YI, Wen H, Ma WQ, Wang X, Wang ZM, Salamo GJ, Xiao M, Mishima TD, Lian GD, Keay J, et al. Probing ultrafast carrier dynamics in semiconductor nanostructures with terahertz pulses Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-Leos. 2005: 244-245. DOI: 10.1109/LEOS.2005.1547970  0.311
2005 Ostroverkhova O, Cooke DG, Shcherbyna S, Egerton RF, Hegmann FA, Tykwinski RR, Anthony JE. Bandlike transport in pentacene and functionalized pentacene thin films revealed by subpicosecond transient photoconductivity measurements Physical Review B - Condensed Matter and Materials Physics. 71. DOI: 10.1103/Physrevb.71.035204  0.581
2005 Walther M, Freeman MR, Hegmann FA. Metal-wire terahertz time-domain spectroscopy Applied Physics Letters. 87: 1-3. DOI: 10.1063/1.2158025  0.385
2005 Ostroverkhova O, Shcherbyna S, Cooke DG, Egerton RF, Hegmann FA, Tykwinski RR, Parkin SR, Anthony JE. Optical and transient photoconductive properties of pentacene and functionalized pentacene thin films: Dependence on film morphology Journal of Applied Physics. 98. DOI: 10.1063/1.1949711  0.549
2005 Ostroverkhova O, Cooke DG, Shcherbyna S, Egerton RF, Hegmann FA, Tykwinski RR, Anthony JE, Podzorov V, Gershenson ME, Jurchescu OD, Palstra TTM. Ultrafast photogeneration and band-like transport of mobile charge carriers in organic semiconductors Optics Infobase Conference Papers 0.398
2004 Zhao Y, Slepkov AD, Akoto CO, McDonald R, Hegmann FA, Tykwinski RR. Synthesis, structure, and nonlinear optical properties of cross-conjugated perphenylated iso-polydiacetylenes. Chemistry (Weinheim An Der Bergstrasse, Germany). 11: 321-9. PMID 15551312 DOI: 10.1002/Chem.200400822  0.307
2004 Slepkov AD, Hegmann FA, Eisler S, Elliott E, Tykwinski RR. The surprising nonlinear optical properties of conjugated polyyne oligomers. The Journal of Chemical Physics. 120: 6807-10. PMID 15267578 DOI: 10.1063/1.1707011  0.301
2004 Ostroverkhova O, Shcherbyna S, Cooke DG, Egerton R, Tykwinski RR, Anthony JE, Hegmann FA. Fast photoresponse in organic semiconductors: Understanding the mechanisms and structure-property relationships Proceedings of Spie - the International Society For Optical Engineering. 5517: 163-174. DOI: 10.1117/12.562334  0.37
2004 Cooke DG, Hegmann FA, Mazur YI, Ma WQ, Wang X, Wang ZM, Salamo GJ, Xiao M, Mishima TD, Johnson MB. Anisotropic photoconductivity of InGaAs quantum dot chains measured by terahertz pulse spectroscopy Applied Physics Letters. 85: 3839-3841. DOI: 10.1063/1.1807959  0.554
2002 Hegmann FA, Tykwinski RR, Lui KP, Bullock JE, Anthony JE. Picosecond transient photoconductivity in functionalized pentacene molecular crystals probed by terahertz pulse spectroscopy. Physical Review Letters. 89: 227403. PMID 12485104 DOI: 10.1103/Physrevlett.89.227403  0.774
2002 Hegmann FA, Lui KPH. Optical pump - Terahertz probe investigation of carrier relaxation in radiation-damaged silicon-on-sapphire Proceedings of Spie - the International Society For Optical Engineering. 4643: 31-41. DOI: 10.1117/12.470433  0.417
2002 Slepkov AD, Hegmann FA, Kamada K, Zhao Y, Tykwinski RR. Optical properties of cross-conjugated isopolydiacetylene oligomers as measured by ultraviolet-visible spectroscopy and the optical Kerr effect Journal of Optics a: Pure and Applied Optics. 4: S207-S211. DOI: 10.1088/1464-4258/4/6/354  0.34
2002 Tykwinski RR, Kamada K, Bykowski D, Hegmann FA, Hinkle RJ. Nonlinear optical properties of thienyl and bithienyl iodonium salts as measured by the Z-scan technique Journal of Optics a: Pure and Applied Optics. 4: S202-S206. DOI: 10.1088/1464-4258/4/6/353  0.325
2002 Slepkov AD, Hegmann FA, Zhao Y, Tykwinski RR, Kamada K. Ultrafast optical Kerr effect measurements of third-order nonlinearities in cross-conjugated iso-polydiacetylene oligomers Journal of Chemical Physics. 116: 3834-3840. DOI: 10.1063/1.1447908  0.31
2001 Williams C, Xu Y, Adam R, Darula M, Harnack O, Scherbel J, Siegel M, Hegmann FA, Sobolewski R. Ultrafast YBCO photodetector based on the kinetic-inductive process Ieee Transactions On Applied Superconductivity. 11: 578-581. DOI: 10.1109/77.919411  0.382
2001 Lui KPH, Hegmann FA. Ultrafast carrier relaxation in radiation-damaged silicon on sapphire studied by optical-pump-terahertz-probe experiments Applied Physics Letters. 78: 3478-3480. DOI: 10.1063/1.1375841  0.477
2000 Hegmann FA, Williams JB, Cole B, Sherwin MS, Beeman JW, Haller EE. Time-resolved photoresponse of a gallium-doped germanium photoconductor using a variable pulse-width terahertz source Applied Physics Letters. 76: 262-264. DOI: 10.1063/1.125741  0.714
2000 Hegmann FA, Williams JB, Cole B, Sherwin MS, Beeman JW, Haller EE. Time-resolved photoresponse of a gallium-doped germanium photoconductor using a variable pulse-width terahertz source Applied Physics Letters. 76: 262-264.  0.7
1999 Lindgren M, Currie M, Williams C, Hsiang TY, Fauchet PM, Sobolewski R, Moffat SH, Hughes RA, Preston JS, Hegmann FA. Intrinsic picosecond response times of Y–Ba–Cu–O superconducting photodetectors Applied Physics Letters. 74: 853-855. DOI: 10.1063/1.123388  0.619
1997 Lindgren M, Currie M, Williams C, Hsiang TY, Fauchet PM, Sobolewski R, Moffat SH, Hughes RA, Preston JS, Hegmann FA. YBa/sub 2/Cu/sub 3/O/sub 7-x/ thin-film picosecond photoresponse in the resistive state Ieee Transactions On Applied Superconductivity. 7: 3422-3425. DOI: 10.1109/77.622117  0.667
1996 Lindgren M, Currie M, Williams CA, Hsiang TY, Fauchet PM, Sobolewski R, Moffat SH, Hughes RA, Preston JS, Hegmann FA. Ultrafast photoresponse in microbridges and pulse propagation in transmission lines made from high-Tc superconducting Y-Ba-Cu-O thin films Ieee Journal On Selected Topics in Quantum Electronics. 2: 668-677. DOI: 10.1109/2944.571767  0.671
1996 Lindgren M, Currie M, Williams C, Moffat SH, Hughes RA, Hegmann FA, Preston JS, Hsiang TY, Sobolewski R. Picosecond photoresponse of YBa2Cu3O7-x thin films Czechoslovak Journal of Physics. 46: 1111-1112. DOI: 10.1007/Bf02583863  0.638
1995 Hegmann FA, Jacobs-Perkins D, Wang CC, Moffat SH, Hughes RA, Preston JS, Currie M, Fauchet PM, Hsiang TY, Sobolewski R. Electro-optic sampling of 1.5-ps photoresponse signal from YBa 2Cu3O7-δ thin films Applied Physics Letters. 67: 285. DOI: 10.1063/1.114784  0.668
1995 Poulin GD, Lachapelle J, Moffat SH, Hegmann FA, Preston JS. Current-voltage characteristics of dc voltage biased high temperature superconducting microbridges Applied Physics Letters. 66: 3307. DOI: 10.1063/1.113506  0.569
1994 Hegmann FA, Hughes RA, Preston JS. Picosecond photoresponse of epitaxial YBa2Cu3O 7-δ thin films Applied Physics Letters. 64: 3172-3174. DOI: 10.1063/1.111329  0.657
1993 Hegmann FA, Preston JS. Origin of the fast photoresponse of epitaxial YBa2Cu3O7- thin films Physical Review B. 48: 16023-16039. DOI: 10.1103/PhysRevB.48.16023  0.327
1989 Sherman NK, Brunel F, Corkum PB, Hegmann FA. Transient Response Of Metals To Ultrashort Pulse Excitation Optical Engineering. 28. DOI: 10.1117/12.7977096  0.309
1988 Sherman NK, Hegmann FA, Corkum PB. Charge emission and damage from picosecond laser pulses on metals . 144.  0.301
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