E-beam pumping and energy extraction from large-aperture KrF amplifiers

V. D. Zvorykin; S. V. Arlantsev; V. G. Bakaev; A. O. Levchenko; A. G. Molchanov; N. N. Ustinovskii

doi:10.1117/12.660056

9 June 2006 E-beam pumping and energy extraction from large-aperture KrF amplifiers

V. D. Zvorykin, S. V. Arlantsev, V. G. Bakaev, A. O. Levchenko, A. G. Molchanov, N. N. Ustinovskii

Proceedings Volume 6053, International Conference on Lasers, Applications, and Technologies 2005: High-Power Lasers and Applications; 605309 (2006) https://doi.org/10.1117/12.660056
Event: International Conference on Lasers, Applications, and Technologies 2005, 2005, St. Petersburg, Russian Federation

Abstract

Experiments were performed at 100-J-class GARPUN KrF laser installation on optimization of e-beam pumping and amplification of 20-ns pulses in e-beam-pumped amplifiers with gain volumes of 10 × 10 × 100 cm³ and 16 × 18 × 100 cm³. Amplified spontaneous emission (ASE) was measured in the near field close to the output window and in the far field along the amplifier axis. Suppression of transverse ASE by amplification of a laser signal was also investigated. The experimental data were compared with numerical simulations of e-beam transport using Monte Carlo code and 3-D numerical simulations of large-aperture single-pass and double-pass KrF laser amplifiers. Finally, the verified numerical codes were applied for optimization studies of large-scale KrF amplifiers with output energy up to 10 kJ being developed for Inertial Fusion Energy application.

Citation Download Citation

V. D. Zvorykin, S. V. Arlantsev, V. G. Bakaev, A. O. Levchenko, A. G. Molchanov, and N. N. Ustinovskii "E-beam pumping and energy extraction from large-aperture KrF amplifiers", Proc. SPIE 6053, International Conference on Lasers, Applications, and Technologies 2005: High-Power Lasers and Applications, 605309 (9 June 2006); https://doi.org/10.1117/12.660056

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