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Conferences > ASSL > 1998 > NA > NA2

A new technique to alleviate thermal dephasing of CsLiB6O10, crystal for improving conversion efficiency of a high-power solid-state UV laser

Y. K. Yap, K. Deki, Y. Kagebayashi, M. Horiguchi, Y. Mori, and T. Sasaki

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Abstract

A new cooling technique for alleviating thermal dephasing of nonlinear optical (NLO) crystal was found. This technique involved no modification on NLO crystal dimension, no moving laser beam and without mobile optical component. With the application of this technique on CsLiB6O10 (CLBO) crystal, conversion efficiency from a laser wavelength of 532 nm to 266 nm was improved by 2.3 times as compared to that without cooling. An average UV output power of 10.6 W was generated at 100 Hz, with a conversion efficiency of 52 % from the green.

© 1998 Optical Society of America

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