Abstract
Passive optical loss reduces the net gain and energy conversion efficiency of laser amplifiers and, therefore, Increases the cost of laser systems per unit of output energy (given constant manufacturing costs). The effects of passive loss are particularly important in tow gain systems and in systems which seek to maximize their optical energy extraction efficiency through gain saturation. In solid state fusion laser systems (such as NOVA), large aperture neodymium dopeit glass disk amplifiers are designed to operate with typical small signal gains of 0.05 cm−1 and optical energy fluences up to several times the saturation fluence.
© 1989 Optical Society of America
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