FIELD: quantum electronics; solid-state lasers.
SUBSTANCE: proposed liquid-coolant light filter has 2,2'-dioxy-4,4-dimethoxybenzophenone dissolved in dimethyl-di-(isoamyloxy)silane doped with 1,8-naphthoilene-1',2'-benzimidazole, their concentration being 0.2 to 2 mmole/l.
EFFECT: enhanced service life of liquid-cooled laser due to filtering off detrimental part of pumping radiation.
1 cl, 2 dwg
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