High efficiency continuous-wave tunable signal output of an intracavity singly resonant optical parametric oscillator based on periodically poled lithium niobate |
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| Authors: | Ding Xin Sheng Quan Chen N Yu Xuan-Yi Wang Rui Zhang Heng Wen Wu-Qi Wang Peng Yao Jian-Quan |
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| Affiliation: | College of Precision Instrument and Opto-electronics Engineering, Institute of Laser and Opto-electronics, Tianjin University, Tianjin 300072, China; Key Laboratory of Opto-electronics Information Science and Technology, Ministry of Education, Tianjin 300072, China; College of Physics Science, Photonics Research Center, Nankai University, Tianjin 300071, China |
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| Abstract: | In this paper we report on a continuous-wave (CW) intracavity singlyresonant optical parametric oscillator (ICSRO) based on periodicallypoled LiNbO3 (PPLN) pumped by a diode-end-pumped CWNd:YVO4 laser. Considering the thermal lens effects anddiffraction loss, an optical ballast lens and a near-concentriccavity are adopted for better operation. Through varying the gratingperiod and the temperature, the tunable signal output from 1406~nmto 1513~nm is obtained. At a PPLN grating period of 29~μ m and atemperature of 413~K, a maximum signal output power of 820~mW at1500~nm is achieved when the 808~nm pump power is 10.9~W, leading toan optical-to-optical conversion efficiency of 7.51%. |
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| Keywords: | continuous-wave intracavityoptical parametric oscillator periodically poled lithium niobate crystal tunable eye-safe laser |
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