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http://dx.doi.org/10.3807/COPP.2021.5.1.059

Wide-Tunable Mid Infrared Intra-cavity Optical Parametric Oscillator Based on Multi-period MgO:PPLN  

Wang, Xiao-Chan (Jilin Key Laboratory of Solid Laser Technology and Application, College of Science, Changchun University of Science and Technology)
Wang, Yu-Heng (Jilin Key Laboratory of Solid Laser Technology and Application, College of Science, Changchun University of Science and Technology)
Zheng, Hao (Jilin Key Laboratory of Solid Laser Technology and Application, College of Science, Changchun University of Science and Technology)
Liu, Hong-Zhi (Jilin Key Laboratory of Solid Laser Technology and Application, College of Science, Changchun University of Science and Technology)
Yu, Yong-Ji (Jilin Key Laboratory of Solid Laser Technology and Application, College of Science, Changchun University of Science and Technology)
Wang, Zi-Jian (Jilin Key Laboratory of Solid Laser Technology and Application, College of Science, Changchun University of Science and Technology)
Publication Information
Current Optics and Photonics / v.5, no.1, 2021 , pp. 59-65 More about this Journal
Abstract
This paper reports a tunable diode-pumped folded intracavity Q-switched singly resonant optical parametric oscillator based on multi-period MgO:PPLN. A wide tuning mid-infrared parametric light from 2.78 ㎛ to 4.17 ㎛ was obtained in real time by changing the poled periods and temperatures. The maximum output power of 1.89 W at 3.2 ㎛, 1.53 W at 3.5 ㎛, 0.87 W at 3.8 ㎛ and 0.486 W at 4.1 ㎛ were achieved. The highest optical-optical conversion efficiency was 7.89%. During experiments, a range tunable output of 2.78-4.17 ㎛ in the mid-infrared range was achieved.
Keywords
Intracavity optical parametric oscillator; MgO:PPLN; Mid-infrared; Q-switched; Wide tuning;
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