Abstract
The U.S. Congress and Department of Energy have approved funding for the design of a 192-beam, flashlamp-pumped, harmonically converted, Nd:glass laser called the National Ignition Facility (NIF), The NIF is expected to reach ignition conditions for inertia confinement fusion (ICF) by delivering to target 1.8 MJ of 351-nm light in a carefully tailored pulse shape. Likewise, the French Commissariat à l’Energie Atomique has approved funding for the design of a similar, 240-beam laser system called the Laser Megajoule (LMJ), which is expected to deliver 2.4 MJ pulses to target. The power amplifiers are a key component in both laser systems, because they are the main source of optical energy and a major cost center.
© 1996 Optical Society of America
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