Current Optics and Photonics

Optical Society of Korea (한국광학회)
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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)
  • Received : 2020.11.30
  • Accepted : 2021.01.14
  • Published : 2021.02.25
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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.

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References

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