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Symmetrical edge and face cooling geometries have been evaluated as a thermal control technique for a high power acousto-optic modulator employed as an intracavity mode locker inside a pulsed TE, 0.5 atm, mode-locked CO2 laser oscillator with a 0.5 - 1 kW average output power. Both cooling methods have proved effective in minimizing transverse thermal gradients generated in a germanium crystal of the acousto-optic modulator operating in the Raman-Nath regime.© (1996) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only. |
