A continuous-wave tunable orange-red source based on sum-frequency generation in an intra-cavity periodically poled LiNbO<sub>3</sub> singly resonant optical parametric oscillator cavity
Sheng, Quan; Ding, Xin; Yin, Sujia; Shi, Chunpeng; Li, Xue; Li, Bin; Yu, Xuanyi; Wen, Wuqi; Yao, Jianquan; Sheng, Quan; College of Precision Instrument and Opto-electronics Engineering, Institute of Laser and Opto-electronics, Tianjin University, Tianjin 300072, People’s Republic of China ; Key Laboratory of Opto-electronics Information Science and Technology, Ministry of Education, Tianjin 300072, People’s Republic of China; Ding, Xin; College of Precision Instrument and Opto-electronics Engineering, Institute of Laser and Opto-electronics, Tianjin University, Tianjin 300072, People’s Republic of China ; Key Laboratory of Opto-electronics Information Science and Technology, Ministry of Education, Tianjin 300072, People’s Republic of China; Yin, Sujia; College of Precision Instrument and Opto-electronics Engineering, Institute of Laser and Opto-electronics, Tianjin University, Tianjin 300072, People’s Republic of China ; Key Laboratory of Opto-electronics Information Science and Technology, Ministry of Education, Tianjin 300072, People’s Republic of China; Shi, Chunpeng; College of Precision Instrument and Opto-electronics Engineering, Institute of Laser and Opto-electronics, Tianjin University, Tianjin 300072, People’s Republic of China ; Key Laboratory of Opto-electronics Information Science and Technology, Ministry of Education, Tianjin 300072, People’s Republic of China; Li, Xue; College of Precision Instrument and Opto-electronics Engineering, Institute of Laser and Opto-electronics, Tianjin University, Tianjin 300072, People’s Republic of China ; Key Laboratory of Opto-electronics Information Science and Technology, Ministry of Education, Tianjin 300072, People’s Republic of China; Li, Bin; College of Precision Instrument and Opto-electronics Engineering, Institute of Laser and Opto-electronics, Tianjin University, Tianjin 300072, People’s Republic of China ; Key Laboratory of Opto-electronics Information Science and Technology, Ministry of Education, Tianjin 300072, People’s Republic of China; Yu, Xuanyi; College of Physics Science, Photonics Research Center, Nankai University, Tianjin 300071, People’s Republic of China; Wen, Wuqi; College of Precision Instrument and Opto-electronics Engineering, Institute of Laser and Opto-electronics, Tianjin University, Tianjin 300072, People’s Republic of China ; Key Laboratory of Opto-electronics Information Science and Technology, Ministry of Education, Tianjin 300072, People’s Republic of China; Yao, Jianquan; College of Precision Instrument and Opto-electronics Engineering, Institute of Laser and Opto-electronics, Tianjin University, Tianjin 300072, People’s Republic of China ; Key Laboratory of Opto-electronics Information Science and Technology, Ministry of Education, Tianjin 300072, People’s Republic of China
Журнал:
Journal of Optics
Дата:
2011-09-01
Аннотация:
This work demonstrates a tunable continuous-wave (CW) all-solid-state orange-red source based on sum-frequency generation (SFG), using a tunable 1.4–1.5 µm signal and a 1064 nm pump of an intra-cavity periodically poled LiNbO<sub>3</sub> optical parametric oscillator in a BBO (β-BaB<sub>2</sub>O<sub>4</sub>) crystal. Elaborate intra-cavity design ensured efficient CW singly resonant optical parametric oscillator (SRO) operation. Intra-cavity SFG made full use of the high circulating pump and signal power of the SRO under an external laser diode (LD) pump power that was ten times higher than the SRO threshold. The output wavelength tuning range was 605–623 nm. The maximum output power was 370 mW at 622.8 nm with 17.1 W LD pump power, corresponding to an overall conversion efficiency of 2.2%.
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