Large Excimer Lasers For Fusion

Reed J. Jensen

doi:10.1117/12.937291

11 March 1987 Large Excimer Lasers For Fusion

Reed J. Jensen

Proceedings Volume 0710, Excimer Lasers and Optics; (1987) https://doi.org/10.1117/12.937291
Event: Cambridge Symposium-Fiber/LASE '86, 1986, Cambridge, MA, United States

Abstract

Important goals in DOE and DoD programs require multimegajoule laser pulses. For inertial confinement fusion there is also a requirement to deliver the pulse in about 25 nsec with a very particular power vs time profile-all at high overall efficiency and low cost per joule. After exhaustive consideration of various alternatives, our studies have shown that the most cost effective approach to energy scaling is to increase the size of the final amplifiers up to the 200 to 300 Id level. This conclusion derives largely from the fact that, at a given complexity, costs increase slowly with increasing part size while output energy should increase dramatically. Extrapolations to low cost by drastic cuts in the unit cost of smaller devices through mass production are considered highly risky. At a minimum the requirement to provide, space, optics and mounts for such systems will remain expensive.

Citation Download Citation

Reed J. Jensen "Large Excimer Lasers For Fusion", Proc. SPIE 0710, Excimer Lasers and Optics, (11 March 1987); https://doi.org/10.1117/12.937291

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