Abstract:The on-orbit performances of hydrogen fluoride (HF) and deuterium fluoride (DF) lasers are compared. Only free-space propagation, without any atmospheric effects, has been considered in comparing the lethality, or brightness, of the two systems. An arbitrarily chosen set of residual values of wave front error, including both high and low spatial frequencies, and jitter are employed as degradation terms in calculating the brightness. Whereas conventional thinking is that shorter wavelengths are always better, t… Show more
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