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Proceedings Paper

Research on laser characteristics of low-threshold high-efficiency Nd:Sr5(PO4)3F crystal
Author(s): Qingpu Wang; Shengzhi Zhao; Xingyu Zhang; Lianke Sun; Shaojun Zhang
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Paper Abstract

The absorption spectrum of a new crystal Nd:S-FAP is measured, and its broad absorption band and two strong absorption peaks show that it can be suitably pumped with a tunable dye- laser and a Xenon flash lamp. Using both a tunable dye-laser (570 - 600 nm) and a Xenon flash lamp as pump source, respectively, we have realized the free-running and Q-switched output with BDN dye film at 1.059 micrometer. For the tunable dye-laser pump source, a slope efficiency of 49% and a laser threshold energy of only 2.5 mJ have been measured, while for a Xenon flash lamp pump source, the lowest threshold energy is 150 mJ and the highest slope efficiency is 1.25%. Meanwhile, the emission spectrum, the polarization, the output energy and the pulse width are presented.

Paper Details

Date Published: 25 March 1996
PDF: 6 pages
Proc. SPIE 2698, Solid State Lasers V, (25 March 1996); doi: 10.1117/12.236158
Show Author Affiliations
Qingpu Wang, Shandong Univ. (China)
Shengzhi Zhao, Shandong Univ. (China)
Xingyu Zhang, Shandong Univ. (China)
Lianke Sun, Shandong Univ. (China)
Shaojun Zhang, Shandong Univ. (China)


Published in SPIE Proceedings Vol. 2698:
Solid State Lasers V
Richard Scheps, Editor(s)

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