Off-axis multipass amplifier as a large aperture driver stage for fusion lasers

Journal Article · Sun Mar 01 04:00:00 EST 1981 · Appl. Opt.; (United States)

DOI:https://doi.org/10.1364/AO.20.000826· OSTI ID:6541717

Murray, J E; Downs, D C; Junt, J T; Hermes, G L; Warren, W E

A multipass amplifier configuration is described which has potential as a large aperture, high gain driver stage for fusion laser systems. We avoid the present limitations of large aperture switches by using an off-angle geometry that does not require an optical switch. The saturated gain characteristics of this multipass amplifier are optimized numerically. Three potential problems are investigated experimentally, self-lasing, output beam quality, and amplified spontaneous emission output. The results indicate comparable cost for comparable performance to a linear chain, with some operational advantage for the multipass driver stage.

• Research Organization: University of California, Lawrence Livermore National Laboratory, P.O. Box 5508, Livermore, California 94550
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 6541717
• Journal Information: Appl. Opt.; (United States), Journal Name: Appl. Opt.; (United States) Vol. 20:5; ISSN APOPA
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700208 -- Fusion Power Plant Technology-- Inertial Confinement Technology
AMPLIFIERS
BEAM SPLITTING
ELECTROMAGNETIC RADIATION
ELECTRONIC EQUIPMENT
EQUIPMENT
GEOMETRY
LASER CAVITIES
LASER RADIATION
LASERS
MATHEMATICS
OPTICAL SYSTEMS
PERFORMANCE
RADIATIONS