Volume 14 Issue 6
Nov.  2021
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NIU Na, DOU Wei, PU Shuang-shuang, LIU Tian-hong, WEI Cheng-liang, SONG Hai-long, ZHENG Quan. Continuous deep ultraviolet laser by intracavity frequency doubling of blue laser diode pumped Pr∶YLF[J]. Chinese Optics, 2021, 14(6): 1395-1399. doi: 10.37188/CO.2021-0077
Citation: NIU Na, DOU Wei, PU Shuang-shuang, LIU Tian-hong, WEI Cheng-liang, SONG Hai-long, ZHENG Quan. Continuous deep ultraviolet laser by intracavity frequency doubling of blue laser diode pumped Pr∶YLF[J]. Chinese Optics, 2021, 14(6): 1395-1399. doi: 10.37188/CO.2021-0077

Continuous deep ultraviolet laser by intracavity frequency doubling of blue laser diode pumped Pr∶YLF

doi: 10.37188/CO.2021-0077
Funds:  Supported by Science and Technology Program of Jilin Province (No. 20170203013GX)
More Information
  • Corresponding author: zhengquan@cnilaser.com
  • Received Date: 13 Apr 2021
  • Rev Recd Date: 11 May 2021
  • Available Online: 28 May 2021
  • Publish Date: 19 Nov 2021
  • In order to explore the continuous deep ultraviolet laser output within the wavelength of 200~280 nm, a 5 mm long domestic Pr∶YLF crystal was pumped by the combine of 1.4 W blue laser diode at 444 nm and 1.5 W blue laser diode at 469 nm, and the BBO with a length of 7 mm was used as the frequency doubling crystal. By optimizing the resonator mirror coating and inserting a full wave plate for wavelength competition, it makes the output of weak spectra of Pr∶YLF possible. At last, the continuous deep ultraviolet laser with a maximum power of 8.37 mW and center wavelength of 268.89 nm was achieved.

     

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