A 18-W Signal Average Power Nanosecond LiB3O5 Optical Parametric Oscillator around 860nm and the Beam Quality
LI Hui-Qing1,2, GENG Ai-Cong1,2, BO Yong1, PENG Qin-Jun1,2, CUI Da-Fu1, XU Zu-Yan1
1Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080
2Graduate School of the Chinese Academy of Sciences, Beijing 100080
A 18-W Signal Average Power Nanosecond LiB3O5 Optical Parametric Oscillator around 860nm and the Beam Quality
LI Hui-Qing1,2;GENG Ai-Cong1,2;BO Yong1;PENG Qin-Jun1,2;CUI Da-Fu1;XU Zu-Yan1
1Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080
2Graduate School of the Chinese Academy of Sciences, Beijing 100080
Abstract： We report a compact high average power optical parametric oscillator (OPO) pumped by an all-solid-state nanosecond 532-nm laser. Based on the merit of non-critically phase-matched crystals without walk-off effect, a 60-mm-long LiB3O5 (LBO) crystal is used as the OPO nonlinear crystal to enhance the conversion efficiency and to increase the output power. The maximum average power of signal output is up to 18W at 860nm for pump power of 65W. This is the highest signal average power generated by a nanosecond OPO in single bulk LBO, to the best of our knowledge. The dynamic characteristics of beam quality are investigated. Our experimental results demonstrate that good OPO conversion efficiency and high output power can be obtained even with relatively poor pump beam quality.
(Phase conjugation; photorefractive and Kerr effects)
引用本文:
LI Hui-Qing;GENG Ai-Cong;BO Yong;PENG Qin-Jun;CUI Da-Fu;XU Zu-Yan. A 18-W Signal Average Power Nanosecond LiB3O5 Optical Parametric Oscillator around 860nm and the Beam Quality[J]. 中国物理快报, 2005, 22(7): 1694-1697.
LI Hui-Qing, GENG Ai-Cong, BO Yong, PENG Qin-Jun, CUI Da-Fu, XU Zu-Yan. A 18-W Signal Average Power Nanosecond LiB3O5 Optical Parametric Oscillator around 860nm and the Beam Quality. Chin. Phys. Lett., 2005, 22(7): 1694-1697.
2005, Vol. 22 
