Ultrabroadband wavelength tuning from 400 nm to 1700 nm with near NCPM OPO and frequency doubling

Yizhong Yu; Jianquan Yao; Xin Ding; Wei Lu

doi:10.1117/12.575070

28 January 2005 Ultrabroadband wavelength tuning from 400 nm to 1700 nm with near NCPM OPO and frequency doubling

Yizhong Yu, Jianquan Yao, Xin Ding, Wei Lu

Proceedings Volume 5646, Nonlinear Optical Phenomena and Applications; (2005) https://doi.org/10.1117/12.575070
Event: Photonics Asia, 2004, Beijing, China

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%.

Citation Download Citation

Yizhong Yu, Jianquan Yao, Xin Ding, and Wei Lu "Ultrabroadband wavelength tuning from 400 nm to 1700 nm with near NCPM OPO and frequency doubling", Proc. SPIE 5646, Nonlinear Optical Phenomena and Applications, (28 January 2005); https://doi.org/10.1117/12.575070

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