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Proceedings Paper

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

Paper Details

Date Published: 12 January 2005
PDF: 8 pages
Proc. SPIE 5653, Lidar Remote Sensing for Industry and Environmental Monitoring V, (12 January 2005); doi: 10.1117/12.578189
Show Author Affiliations
Atsushi Sato, Tohoku Institute of Technology (Japan)
Kazuhiro Asai, Tohoku Institute of Technology (Japan)
Hiroshi Machida, NEC TOKIN Corp. (Japan)
Yoshiharu Urata, MegaOpto Co., Ltd. (Japan)
Satoshi Wada, MegaOpto Co., Ltd. (Japan)
Kohei Mizutani, National Institute of Information and Communications Technology (Japan)
Toshikazu Itabe, National Institute of Information and Communications Technology (Japan)


Published in SPIE Proceedings Vol. 5653:
Lidar Remote Sensing for Industry and Environmental Monitoring V
Upendra N. Singh; Kohei Mizutani, Editor(s)

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