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Proceedings Paper

Ultrabroadband wavelength tuning from 400 nm to 1700 nm with near NCPM OPO and frequency doubling
Author(s): Yizhong Yu; Jianquan Yao; Xin Ding; Wei Lu
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Paper Abstract

Based on near-NCPM (Non Critical Phase Matching) design, type I temperature phase matching of MgO doped LiNbO3 OPO (Optic Parametric Oscillation) with selected cutting angle at 82 degree. Replacing NCPM with near-NCPM to limit the operation temperature range to a relative low level, a temperature tuned OPO pumped by 532 nm is developed and 800-1700 nm tunable signal lights are achieved. Output pulse energy is higher than 5mJ by a pumping laser of 58 mJ, 532 nm and 6 ns. With frequency doubling of OPO light through a 24.5 degree cut BBO crystal, 2 mJ, 400-800 nm output is obtained by a 19.8-29.2 degree rotating accordingly. The threshold of pump peak intensity for OPO is 57.3 MW/cm2. On the position of two times of threshold energy, SRO conversion efficiency is over 11%.

Paper Details

Date Published: 28 January 2005
PDF: 4 pages
Proc. SPIE 5646, Nonlinear Optical Phenomena and Applications, (28 January 2005); doi: 10.1117/12.575070
Show Author Affiliations
Yizhong Yu, Tianjin Univ. (China)
Jianquan Yao, Tianjin Univ. (China)
Xin Ding, Tianjin Univ. (China)
Wei Lu, Tianjin Univ. (China)

Published in SPIE Proceedings Vol. 5646:
Nonlinear Optical Phenomena and Applications
Qihuang Gong; Yiping Cui; Roger A. Lessard, Editor(s)

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