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Optical Engineering

Diode-laser-pumped 1.065-um Nd:Sr5(VO4)3F laser and its intracavity frequency doubling
Author(s): Shengzhi Zhao; Qingpu Wang; Xingyu Zhang; Songtao Wang; Lu Zhao; Lianke Sun; Shaojun Zhang
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Paper Abstract

Nd:Sr5(VO4)3F, known as Nd:S-VAP, is a new material for efficient and miniature diode-pumped solid state lasers. By using a laserdiode pump operating at 809 nm, Nd:S-VAP is successfully lased at 1.065 ?m. A slope efficiency of 43.5% and a laser threshold of only 11 mW are measured. The theoretical formulas for threshold power and slope efficiency are written and the theoretical calculations are in agreement with the experimental results. In addition, by using KTP as an intracavity-doubling crystal, the intracavity frequency of the Nd:S-VAP laser at 0.5325 ?m is also realized. The threshold power is 13.2 mW and the TEM00 mode green laser output power is 25.6 mW at 200 mW incident pump power, corresponding to an optical efficiency of 12.8%. In addition a way to improve efficiency is discussed.

Paper Details

Date Published: 1 December 1996
PDF: 4 pages
Opt. Eng. 35(12) doi: 10.1117/1.601093
Published in: Optical Engineering Volume 35, Issue 12
Show Author Affiliations
Shengzhi Zhao, Shandong Univ. (China)
Qingpu Wang, Shandong Univ. (China)
Xingyu Zhang, Shandong Univ. (China)
Songtao Wang, Shandong Univ. (China)
Lu Zhao, Shandong Univ. (China)
Lianke Sun, Shandong Univ. (China)
Shaojun Zhang, Shandong Univ. (China)


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