Abstract

LD pumped lasers have broad applications in optical storage and optical communication etc. For the first time in the world, we have developed LD pumped miniature LNYAB self-frequency-doubling laser without any coupling optics. It consisted only of a LD and a piece of LNYAB crystal and they are fixed in a LD case. The threshold pumping power, 531 nm green laser output power are 9.5 mW and 5.2 mW respectively with optical-to-optical efficiency of 2.8% at TEM00 mode. These lasers are convenient to use and easy to fabricate.

© 1994 Optical Society of America

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