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Robert W. Hellwarth - Publications

Affiliations: 
1955-1970 Hughes Research Laboratories, Malibu, CA, United States 
 1970- Electrical Engineering University of Southern California, Los Angeles, CA, United States 
Area:
Electronics and Electrical Engineering, Optics Physics
Website:
http://physics.usc.edu/Faculty/Hellwarth/
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55 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
2018 Huang L, Hellwarth RW. Azimuthally polarized hollow beams in free space: Exact vector solutions to Maxwell's equations Physical Review A. 98. DOI: 10.1103/Physreva.98.023843  0.321
2007 Cho HM, Hellwarth RW. Energy gain of, and re-radiated power from, initially stationary electrons struck by a sub-joule ultrashort laser pulse: An exact simulation Optics Infobase Conference Papers. DOI: 10.1364/Fio.2007.Ftuq2  0.544
2007 Cho HM, Hellwarth RW. Deci-gigavolt electrons from a millitorr gas struck by a sub-joule ultra-short laser pulse: An exact simulation Optics Infobase Conference Papers. DOI: 10.1109/CLEOPR.2007.4391145  0.493
1999 Feng S, Winful HG, Hellwarth RW. Spatiotemporal evolution of focused single-cycle electromagnetic pulses Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics. 59: 4630-4649. DOI: 10.1103/Physreve.59.4630  0.331
1999 Hellwarth RW, Biaggio I. Mobility of an electron in a multimode polar lattice Physical Review B. 60: 299-307. DOI: 10.1103/PhysRevB.60.299  0.535
1999 Hellwarth RW, Biaggio I. Mobility of an electron in a multimode polar lattice Physical Review B - Condensed Matter and Materials Physics. 60: 299-307. DOI: 10.1103/Physrevb.60.299  0.621
1998 Feng S, Winful HG, Hellwarth RW. Gouy shift and temporal reshaping of focused single-cycle electromagnetic pulses: errata. Optics Letters. 23: 1141. PMID 18087454 DOI: 10.1364/Ol.23.001141  0.306
1997 Biaggio I, Hellwarth RW, Partanen JP. Band Mobility of Photoexcited Electrons inBi12SiO20 Physical Review Letters. 78: 891-894. DOI: 10.1103/Physrevlett.78.891  0.602
1997 Strohkendl FP, Axenson TJ, Larsen RJ, Dalton LR, Hellwarth RW, Kafafi ZH. Observation of the Lowest Lying Electric-Dipole-Allowed Two-Photon Resonance in C60 Journal of Physical Chemistry B. 101: 8802-8807. DOI: 10.1021/Jp9639096  0.349
1996 Hellwarth RW, Nouchi P. Focused one-cycle electromagnetic pulses. Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics. 54: 889-895. PMID 9965137 DOI: 10.1103/Physreve.54.889  0.331
1994 Biaggio I, Ai B, Knize RJ, Partanen JP, Hellwarth RW. Optical correlator that uses cesium vapor. Optics Letters. 19: 1765-7. PMID 19855648 DOI: 10.1364/Ol.19.001765  0.596
1994 Tang N, Hellwarth RW, Partanen J, Sun S, Dalton LR. Optical Limiting in Protonic Doped Bis-Benzothiazole Mrs Proceedings. 374: 225-230. DOI: 10.1557/Proc-374-225  0.32
1994 Biaggio I, Ai B, Knize RJ, Partanen JP, Hellwarth RW. Optical correlator that uses cesium vapor Optics Letters. 19: 1765-1767. DOI: 10.1364/OL.19.001765  0.544
1994 Biaggio I, Partanen JP, Ai B, Knize RJ, Hellwarth RW. Optical image processing by an atomic vapour Nature. 371: 318-320. DOI: 10.1038/371318A0  0.603
1993 Xia P, Jonathan JM, Partanen JP, Hellwarth RW. Measurement of the complex polarizability of electron traps in Bi(12)SiO(20) by a moving-grating technique. Optics Letters. 18: 1780-2. PMID 19829402 DOI: 10.1364/Ol.18.001780  0.338
1993 Spangler CW, He MQ, Laquindanum J, Dalton L, Tang N, Partanen J, Hellwarth R. Bipolaron Formation and Nonlinear Optical Properties in Bis-Thienyl Polyenes Mrs Proceedings. 328: 655. DOI: 10.1557/Proc-328-655  0.342
1992 Nouchi P, Partanen JP, Hellwarth RW. Temperature dependence of the electron mobility in photorefractive Bi12SiO20 Journal of the Optical Society of America B: Optical Physics. 9: 1428-1431. DOI: 10.1364/Josab.9.001428  0.304
1990 Partanen JP, Jonathan JMC, Hellwarth RW. Direct determination of electron mobility in photorefractive Bi 12SiO20 by a holographic time-of-flight technique Applied Physics Letters. 57: 2404-2406. DOI: 10.1063/1.103859  0.309
1989 Yu LP, Chen M, Dalton LR, Cao XF, Jiang JP, Hellwarth RW. Synthesis and Characterization of Third Order Nonlinear Optical Materials Mrs Proceedings. 173. DOI: 10.1557/Proc-173-607  0.306
1987 Auston DH, Ballman AA, Bhattacharya P, Bjorklund GJ, Bowden C, Boyd RW, Brody PS, Burnham R, Byer RL, Carter G, Chemla D, Dagenais M, Dohler G, Efron U, Eimerl D, ... ... Hellwarth RW, et al. Research on nonlinear optical materials: an assessment. Applied Optics. 26: 211. PMID 20454110 DOI: 10.1364/Ao.26.000211  0.309
1986 Strohkendl FP, Jonathan JM, Hellwarth RW. Hole - electron competition in photorefractive gratings. Optics Letters. 11: 312. PMID 19730616 DOI: 10.1364/Ol.11.000312  0.327
1986 Jonathan JMC, Hellwarth RW, Roosen G. Effect of Applied Electric Field on the Buildup and Decay of Photorefractive Gratings Ieee Journal of Quantum Electronics. 22: 1936-1941. DOI: 10.1109/Jqe.1986.1072900  0.318
1985 Chang TY, Hellwarth RW. Optical phase conjugation by backscattering in barium titanate. Optics Letters. 10: 408-10. PMID 19724464 DOI: 10.1364/Ol.10.000408  0.332
1985 Hellwarth RW. Minimum power requirements for efficient four-wave mixing and self-focusing of electromagnetic beams in glasses and fluids. Physical Review. a, General Physics. 31: 533-536. PMID 9895516 DOI: 10.1103/Physreva.31.533  0.317
1983 Saha SK, Hellwarth RW. Raman-induced phase conjugation spectroscopy Physical Review A. 27: 919-922. DOI: 10.1103/Physreva.27.919  0.31
1982 Hellwarth RW. OPTICAL BEAM PHASE CONJUGATION BY FOUR-WAVE MIXING IN A WAVEGUIDE Optical Engineering. 21: 263-265. DOI: 10.1117/12.7972892  0.348
1982 Hellwarth RW. OPTICAL BEAM PHASE CONJUGATION BY STIMULATED BACKSCATTERING Optical Engineering. 21: 257-262. DOI: 10.1117/12.7972891  0.343
1981 Lam LK, Chang TY, Feinberg J, Hellwarth RW. Photorefractive-index gratings formed by nanosecond optical pulses in BaTiO(3). Optics Letters. 6: 475-7. PMID 19710742 DOI: 10.1364/Ol.6.000475  0.33
1981 Jabr SN, Lam LK, Hellwarth RW. New component in degenerate four-wave mixing of optical pulses in sodium vapor Physical Review A. 24: 3264-3267. DOI: 10.1103/Physreva.24.3264  0.353
1980 Feinberg J, Hellwarth RW. Phase-conjugating mirror with continuous-wave gain. Optics Letters. 5: 519. PMID 19701292 DOI: 10.1364/Ol.5.000519  0.362
1980 Martin G, Lam LK, Hellwarth RW. Generation of a time-reversed replica of a nonuniformly polarized image-bearing optical beam. Optics Letters. 5: 185. PMID 19693166 DOI: 10.1364/Ol.5.000185  0.349
1980 Feinberg J, Heiman D, Tanguay AR, Hellwarth RW. Photorefractive effects and light-induced charge migration in barium titanate Journal of Applied Physics. 51: 1297-1305. DOI: 10.1063/1.327824  0.328
1979 Hamilton DS, Heiman D, Feinberg J, Hellwarth RW. Spatial-diffusion measurements in impurity-doped solids by degenerate four-wave mixing. Optics Letters. 4: 124-5. PMID 19687821 DOI: 10.1364/Ol.4.000124  0.305
1979 Hellwarth RW. Theory of Phase-Conjugation by Four-Wave Mixing in a Waveguide Ieee Journal of Quantum Electronics. 15: 101-109. DOI: 10.1109/Jqe.1979.1069960  0.372
1979 Heiman D, Hamilton DS, Hellwarth RW. Brillouin scattering measurements on optical glasses Physical Review B. 19: 6583-6592. DOI: 10.1103/Physrevb.19.6583  0.331
1979 Heiman D, Hellwarth RW, Hamilton DS. Raman scattering and nonlinear refractive index measurements of optical glasses Journal of Non-Crystalline Solids. 34: 63-79. DOI: 10.1016/0022-3093(79)90007-3  0.343
1978 Hellwarth RW. THEORY OF PHASE CONJUGATION BY STIMULATED SCATTERING IN A WAVEGUIDE J Opt Soc Am. 68: 1050-1056. DOI: 10.1364/Josa.68.001050  0.359
1978 Jensen SM, Hellwarth RW. Observation of the time-reversed replica of a monochromatic optical wave Applied Physics Letters. 32: 166-168. DOI: 10.1063/1.89976  0.36
1977 Hellwarth RW. Generation of time-reversed wave fronts by nonlinear refraction* Journal of the Optical Society of America. 67: 1-3. DOI: 10.1364/Josa.67.000001  0.311
1977 Mangir MS, Hellwarth RW. Refractive-index measurements and nonlinear moment parameters for polycrystalline ZnSe Physical Review B. 16: 856-862. DOI: 10.1103/Physrevb.16.856  0.35
1976 Cherlow JM, Yang TT, Hellwarth RW. Nonlinear Optical Susceptibilities of Solvents Ieee Journal of Quantum Electronics. 12: 644-646. DOI: 10.1109/Jqe.1976.1069058  0.351
1976 Heiman D, Hellwarth RW, Levenson MD, Martin G. Raman-induced Kerr effect Physical Review Letters. 36: 189-192. DOI: 10.1103/Physrevlett.36.189  0.324
1976 Hellwarth RW. Nonlinear optical effects for plasma diagnostics Applied Physics. 11: 147-151. DOI: 10.1007/Bf00920594  0.355
1975 Hellwarth R, Christensen P. Nonlinear optical microscope using second harmonic generation. Applied Optics. 14: 247-248. PMID 20134865 DOI: 10.1364/Ao.14.000247  0.343
1975 Hellwarth R, Cherlow J, Yang TT. Origin and frequency dependence of nonlinear optical susceptibilities of glasses Physical Review B. 11: 964-967. DOI: 10.1103/Physrevb.11.964  0.397
1974 Hellwarth R, Christensen P. Nonlinear optical microscopic examination of structure in polycrystalline ZnSe Optics Communications. 12: 318-322. DOI: 10.1016/0030-4018(74)90024-8  0.359
1972 Owyoung A, Hellwarth RW, George N. Intensity-induced changes in optical polarizations in glasses Physical Review B. 5: 628-633. DOI: 10.1103/Physrevb.5.628  0.386
1971 Hellwarth RW, Owyoung A, George N. Origin of the nonlinear refractive index of liquid CCl4 Physical Review A. 4: 2342-2347. DOI: 10.1103/Physreva.4.2342  0.368
1966 Close DH, Giuliano CR, Hellwarth RW, Hess LD, Mcclung FJ, Wagner WG. 8A2—The Self-Focusing of Light of Different Polarizations Ieee Journal of Quantum Electronics. 2: 553-557. DOI: 10.1109/Jqe.1966.1074077  0.32
1965 Baym G, Hellwarth RW. Nonlinear Optics of Many-Particle Systems Ieee Journal of Quantum Electronics. 309-320. DOI: 10.1109/Jqe.1965.1072241  0.371
1963 Hellwarth RW. Analysis of Stimulated Raman Scattering of a Giant Laser Pulse Applied Optics. 2: 847-853. DOI: 10.1364/Ao.2.000847  0.318
1963 Hellwarth RW. Theory of stimulated raman scattering Physical Review. 130: 1850-1852. DOI: 10.1103/Physrev.130.1850  0.313
1962 Feynman RP, Hellwarth RW, Iddings CK, Platzman PM. Mobility of slow electrons in a polar crystal Physical Review. 127: 1004-1017. DOI: 10.1103/Physrev.127.1004  0.693
1962 McClung FJ, Hellwarth RW. Giant optical pulsations from ruby Journal of Applied Physics. 33: 828-829. DOI: 10.1063/1.1777174  0.332
1957 Feynman RP, Vernon FL, Hellwarth RW. Geometrical Representation of the Schrödinger Equation for Solving Maser Problems Journal of Applied Physics. 28: 49-52. DOI: 10.1063/1.1722572  0.664
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