Improved beam smoothing with SSD using generalized phase modulation

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 3047, Issue , 1997, Pages 713-724

  Rothenberg, Joshua E ^a  

^a LAWRENCE LIVERMORE NATIONAL LABORATORY   (United States)

Author keywords

Beam smoothing; Inertial confinement fusion; Smoothing by spectral dispersion

Indexed keywords

DISPERSIONS; INERTIAL CONFINEMENT FUSION; LASER BEAM EFFECTS; PHASE MODULATION;

BEAM SMOOTHING; GENERALIZED PHASE; INDUCED SPATIAL INCOHERENCES; INERTIAL CONFINEMENT FUSION TARGET; LOW-SPATIAL FREQUENCY; RANDOM PHASE PLATES; SMOOTHING BY SPECTRAL DISPERSIONS; SPATIAL FREQUENCY;

SOLID STATE LASERS;

EID: 78449262158     PISSN: 0277786X     EISSN: 1996756X     Source Type: Conference Proceeding    
DOI: 10.1117/12.294249     Document Type: Conference Paper

References (17)

1. J. D. Kilkenny, S. G. Glendinning, S. W. Haan, B. A. Hammel, J. D. Lindl, D. Munro, B. A. Remington, S. V. Wber, J. P. Knauer, and C P. Verdon, "A review of the ablative stabilization of the Rayleigh-Taylor instability in regimes relevant to inertial confinement fusion", Phys. Plasmas 1, 1379-1389 (1994).
2. R. H. Lehmberg and S. P. Obenschain, "Use of induced spatial incoherence for uniform illumination of laser fusion targets", Optics Comm. 46, 27-31 (1983).
3. Y. Kato, K. Mima, N. Miyanaga, S. Arinaga, Y. Kitagawa, M. Naktsuka, and C. Yamanka, "Random phasing of high-power lasers for uniiform traget acceleration and plasma instability suppression", Phys. Rev. Lett. 53, 1057-1060 (1984).
4. R. H. Lehmberg and J. Goldhar, "Use of inchoerence to produce smooth and controllable irradiation profiles with KrF fusion lasers", Fusion Technology 11, 532-541 (1987).
5. D. Veron, H. Ayral, C Gouedard, D. Husson, J. Lauriou, O. Martin, B. Meyer, M. Rostaing, and C. Sauteret, "Optical spatial smoothing of Nd-glass laser beam", Optics Comm. 65, 42-45 (1988).
6. S. Skupsky, R. W. Short, T. Kessler, R. S. Craxton, S. Letzring, and J. M. Soures, "Improved laser-beam uniformity using the angular dispersion of frequency-modulated light", J. Appl. Phys. 66, 3456-3462 (1989).
7. D. Veron, G. Thiell, C. Gouedard, "Optical smoothing of the high power PHEBUS Nd-glass laser using the multimode optical fiber technique", Optics Comm. 97, 259-271 (1993).
8. H. Nakano, K. Tsubakimoto, N. Miyanaga, M. Nakatsuka, T. Kanabe, H. Azechi, T. Jitsuno, and S. Nakei, "Spectrally dispersed amplified spontaneous emission for improving irradiation uniformity into high power Nd:glass laser system", J. Appl. Phys. 73, 2122-2131 (1993).
9. H. Nakano, N. Miyanaga, K. Yagi, K. Tsubakimoto, T. Kanabe, M. Nakatsuka, and S. Nakai, "Partially coherent light generated by using single and multimode optical fibers in a high-power Nd:glass laser system", Appl Phys. Lett. 63, 580-582 (1993).
10. R. S. Craxton and S. Skupsky, "2D SSD and polarization wedges for OMEGA and the NIF", Bull. Amer. Phys. Soc. 40, 1826 (1995).
11. J. E. Rothenberg, D. Eimerl, M. H. Key, and S. V. Weber, "Illumination uniformity requirements for direct drive inertial confinement fusion", Proc. Soc. Photo-Opt. Instrum. Eng. 2633, 162-169 (1995).
12. J. E. Rothenberg, "Two dimensional beam smoothing by spectral dispersion for direct drive inertial confinement fusion", Proc. Soc. Photo-Opt. Instrum. Eng. 2633, 634-644 (1995).
13. H. T. Powell, S. N. Dixit, and M. A. Henesian, "Beam smoothing capability of the Nova Laser", Lawrence Livermore National Laboratory ICF Quarterly Report, 1 [UCRL-LR-105821-91-1], 28-38 (1990).
14. D. M. Pennington, M. A. Henesian, S. N. Dixit, H. T. Powell, C. E. Thompson, and T. L. Weiland, "Effect of bandwidth on beam smoothing and frequency conversion at the third harmonic of the Nova laser", Proc. Soc. Photo-Opt. Instrum. Eng. 1870, 175-185 (1993).
15. O. E. Martinez, "Grating and prism compressors in the case of finite beam size", J. Opt. Soc. Am. B 3, 929-934 (1986).
16. J. W. Goodman, "Statistical properties of laser speckle patterns", in Topics in Applied Physics, J. C. Dainty ed., vol. 9, pp. 9-46 and 63-74, Springer-Verlag, New York, 1984).
17. M. Tabak, D. H. Munro, and J. D. Lindl, "Hydrodynamic stability and the direct drive approach to laser fusion", Phys. Fluids B 2, 1007-1014 (1990).