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Proceedings Paper

A design strategy for a high-energy Tm,Ho: YLF laser transmitter
Author(s): Atsushi Sato; Kazuhiro Asai; Yoshiki Miyake; Shoken Ishii; Kohei Mizutani; Satoshi Ochiai
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Paper Abstract

We report on a design strategy for a Tm,Ho:YLF laser transmitter capable of 125 mJ pulse energy at 30 Hz. Using the results of simulations and experiments, total efficiencies were compared for two different configurations. One is the oscillator operating at 193 K, and the other is the master oscillator and power amplifier operating at 233 K. In the latter case, an extensive cooling system is not required, while the laser efficiency becomes lower. Numerical simulations were performed by using a simple rate equation model. In order to validate the results of simulations, the laser experiments were made with a conductively cooled, side-pumped Tm,Ho:YLF laser in the temperature range of 195-228 K. Based on these results, an optimum configuration to achieve the 125-mJ pulse energy are discussed.

Paper Details

Date Published: 17 November 2014
PDF: 7 pages
Proc. SPIE 9262, Lidar Remote Sensing for Environmental Monitoring XIV, 926215 (17 November 2014); doi: 10.1117/12.2069367
Show Author Affiliations
Atsushi Sato, Tohoku Institute of Technology (Japan)
National Institute of Information and Communications Technology (Japan)
Kazuhiro Asai, Tohoku Institute of Technology (Japan)
Yoshiki Miyake, Tohoku Institute of Technology (Japan)
Shoken Ishii, National Institute of Information and Communications Technology (Japan)
Kohei Mizutani, National Institute of Information and Communications Technology (Japan)
Satoshi Ochiai, National Institute of Information and Communications Technology (Japan)


Published in SPIE Proceedings Vol. 9262:
Lidar Remote Sensing for Environmental Monitoring XIV
Upendra N. Singh; Kazuhiro Asai, Editor(s)

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