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Proceedings Paper

Flash-lamp pumped high-power Cr-Tm:YAG and Cr-Tm-Ho:YAG lasers operating at 2-um wavelength
Author(s): Cheng Li; Deyuan Shen; Jie Song; Nam Seong Kim; Ken-ichi Ueda
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Paper Abstract

Tm and Ho doped solid-state lasers operate at 2-micron wavelength have many applications in medical, remote sensing, and military technologies. Using flash-lamp pumping, we demonstrated high-power Cr-Tm:YAG and Cr-Tm-Ho:YAG lasers at room temperature. The output energy in free-running operation exceeded more than 4 J. When an acousto-optic Q-switch was used, we obtained Q-switched single transverse-mode lasers at 2 micrometer wavelength. The maximum pulse energy of Cr-Tm:YAG and Cr-Tm-Ho:YAG lasers reached 0.7 J and 0.5 J, respectively, and the corresponding pulse widths were 140 ns and 165 ns.

Paper Details

Date Published: 3 April 2000
PDF: 5 pages
Proc. SPIE 3889, Advanced High-Power Lasers, (3 April 2000); doi: 10.1117/12.380894
Show Author Affiliations
Cheng Li, Univ. of Electro-Communications (Japan)
Deyuan Shen, Univ. of Electro-Communications (Singapore)
Jie Song, Univ. of Electro-Communications (Japan)
Nam Seong Kim, Univ. of Electro-Communications (United States)
Ken-ichi Ueda, Univ. of Electro-Communications (Japan)

Published in SPIE Proceedings Vol. 3889:
Advanced High-Power Lasers
Marek Osinski; Howard T. Powell; Koichi Toyoda, Editor(s)

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