Current Optics and Photonics

Optical Society of Korea (한국광학회)
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The Three-wavelength PR3+:YLF Laser at 604 nm 607 nm and 640 nm with Fabry-Perot Etalon

  • Jin, Long (Chang Chun University of Science and Technology, The Key Laboratory of Jilin Province Solid-State Laser Technology and Application) ;
  • Jin, Yu-Shi (Chang Chun University of Science and Technology, The Key Laboratory of Jilin Province Solid-State Laser Technology and Application) ;
  • Dong, Yuan (Chang Chun University of Science and Technology, The Key Laboratory of Jilin Province Solid-State Laser Technology and Application) ;
  • Li, Qing-Song (Chang Chun University of Science and Technology, The Key Laboratory of Jilin Province Solid-State Laser Technology and Application) ;
  • Yu, Yong-Ji (Chang Chun University of Science and Technology, The Key Laboratory of Jilin Province Solid-State Laser Technology and Application) ;
  • Li, Shu-Tao (Chang Chun University of Science and Technology, The Key Laboratory of Jilin Province Solid-State Laser Technology and Application) ;
  • Jin, Guang-Yong (Chang Chun University of Science and Technology, The Key Laboratory of Jilin Province Solid-State Laser Technology and Application)
  • Received : 2018.05.31
  • Accepted : 2018.08.10
  • Published : 2018.10.25
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Abstract

A three-wavelength $Pr^{3+}:YLF$ laser at 604 nm, 607 nm and 640 nm simultaneously output by Fabry-Perot (F-P) etalon has been obtained. A 444 nm blue laser diode is used for pumping the $Pr^{3+}:YLF$ crystal, and a 0.1 mm F-P etalon is inserted in the resonator to select wavelength. The theoretical model of three-wavelength $Pr^{3+}:YLF$ laser is established, by adjusting the tilt angle of the etalon, the transmittances of the different wavelengths can be controlled, and the threshold values can be made to equalize by controlling the loss among different wavelengths. In the experiment, when the tilt angle of etalon is $9^{\circ}$ and the optimized length of resonator is 48 mm, the total output power of 25 mW at the three-wavelength is achieved at incident pump power of 7.5 W.

Keywords

References

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