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Proceedings Paper

10-W cryogenic cooling Tm,Ho:YLF laser double-end-pumped by fiber-coupled laser diodes
Author(s): Baoquan Yao; Yufeng Li; Wanjun He; Yuezhu Wang
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Paper Abstract

In this paper, we report a high power of cryogenic cooling Tm(8 at %), Ho(1.4 at %):YLF dual end pumped by two fiber coupled laser diodes at 792nm. Each pumping laser head delivers 15W power in an inner fiber core area of 0.4mm and numerical number of 0.3. The highest continuous-wave (cw) power of 10.2W at 2.051μm is attained under pumping power of 30W, corresponding to optical-optical conversion efficiency of 33%, and the slope efficiency is greater than 36%. The maximum acousto-optical Q-switched quasi-continuous wave output power is 9.2 W at pulse repetition frequency of 10kHz, corresponding to greater than 90% extraction efficiency in the full-width half-maximum pulse width of 34ns.

Paper Details

Date Published: 26 January 2005
PDF: 5 pages
Proc. SPIE 5627, High-Power Lasers and Applications III, (26 January 2005); doi: 10.1117/12.571765
Show Author Affiliations
Baoquan Yao, Harbin Institute of Technology (China)
Yufeng Li, Harbin Institute of Technology (China)
Wanjun He, Harbin Institute of Technology (China)
Yuezhu Wang, Harbin Institute of Technology (China)

Published in SPIE Proceedings Vol. 5627:
High-Power Lasers and Applications III
Dianyuan Fan; Ken-ichi Ueda; Jongmin Lee, Editor(s)

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