Normal-mode and Q-switched operations of a conductively cooled Tm,Ho:LLF laser with a triangular-prism rod

Atsushi Sato; Kazuhiro Asai; Hiroshi Machida; Yoshiharu Urata; Satoshi Wada; Kohei Mizutani; Toshikazu Itabe

doi:10.1117/12.578189

12 January 2005 Normal-mode and Q-switched operations of a conductively cooled Tm,Ho:LLF laser with a triangular-prism rod

Atsushi Sato, Kazuhiro Asai, Hiroshi Machida, Yoshiharu Urata, Satoshi Wada, Kohei Mizutani, Toshikazu Itabe

Author Affiliations +

Proceedings Volume 5653, Lidar Remote Sensing for Industry and Environmental Monitoring V; (2005) https://doi.org/10.1117/12.578189
Event: Fourth International Asia-Pacific Environmental Remote Sensing Symposium 2004: Remote Sensing of the Atmosphere, Ocean, Environment, and Space, 2004, Honolulu, Hawai'i, United States

Abstract

A conductively cooled pump head with a triangular-prism laser rod is proposed and discussed. A pump absorption efficiency of ~80% and better pump intensity distribution were expected from the results of simulations. An output energy of 95 mJ and an optical-to-optical conversion efficiency of 10% were obtained at a pulse repetition frequency of 5 Hz in normal-mode operation. Using a fused-silica acousto-optic Q-switch, the laser produced an output energy of 21 mJ in a single Q-switched pulse. No parasitic oscillation occurred even when the laser rod with polished lateral surfaces was used in Q-switched operations.

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Atsushi Sato, Kazuhiro Asai, Hiroshi Machida, Yoshiharu Urata, Satoshi Wada, Kohei Mizutani, and Toshikazu Itabe "Normal-mode and Q-switched operations of a conductively cooled Tm,Ho:LLF laser with a triangular-prism rod", Proc. SPIE 5653, Lidar Remote Sensing for Industry and Environmental Monitoring V, (12 January 2005); https://doi.org/10.1117/12.578189

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