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Proceedings Paper

Efficient self-frequency-doubling Nd:YCOB laser
Author(s): Junhua Lu; Guangming Li; Junhai Liu; Bo Gong; Jiyang Wang; Zongshu Shao; Minhua Jiang
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Paper Abstract

The polarized absorption spectra of Nd:YCOB crystal was measured. Optical properties were studied via Judd-Ofelt analysis. The line strength, intensity parameters, radiative transition rates, life time and branching ratios were calculated. The results were discussed. Using an Ar+ laser pumped CW tunable Ti:sapphire as a pumping source, the self-frequency doubling laser operation was successfully investigated. The lasing threshold is measured to be 2 mW, the optical-optical conversion efficiency is about 3.7%. To our knowledge, this is the lowest threshold and highest conversion efficiency reported so far.

Paper Details

Date Published: 8 September 1999
PDF: 4 pages
Proc. SPIE 3862, 1999 International Conference on Industrial Lasers, (8 September 1999); doi: 10.1117/12.361178
Show Author Affiliations
Junhua Lu, Shandong Univ. (Japan)
Guangming Li, Shandong Univ. (China)
Junhai Liu, Shandong Univ. (China)
Bo Gong, Shandong Univ. (China)
Jiyang Wang, Shandong Univ. (China)
Zongshu Shao, Shandong Univ. (China)
Minhua Jiang, Shandong Univ. (China)


Published in SPIE Proceedings Vol. 3862:
1999 International Conference on Industrial Lasers
Fuxi Gan; Horst Weber; Zaiguang Li; Qingming Chen, Editor(s)

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