Abstract
A 45-MW, 25-nsec duration, tunable laser operates in the near-ir and can be frequently-doubled to produce a 20-nsec duration uv output of 7.5 MW. The additional feature of a near single spatial mode makes this laser a tunable source of exceptional brightness. The beam diameter and divergence are substantially influenced by the spatial gain profile of the oscillator dye medium, by the ability to pump uniformly the dye amplifiers and, for the uv light, by the stringent angular sensitivity of the frequency-doubling crystal.
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