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GAO Heng, JIA Kai, YANG Chuang, LIU Yaping, ZHAO Gang, GAO Jun. Study on free-temperature-controlled lasers side-pumped by laser diodes[J]. LASER TECHNOLOGY, 2019, 43(1): 1-5. DOI: 10.7510/jgjs.issn.1001-3806.2019.01.001
Citation: GAO Heng, JIA Kai, YANG Chuang, LIU Yaping, ZHAO Gang, GAO Jun. Study on free-temperature-controlled lasers side-pumped by laser diodes[J]. LASER TECHNOLOGY, 2019, 43(1): 1-5. DOI: 10.7510/jgjs.issn.1001-3806.2019.01.001
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Study on free-temperature-controlled lasers side-pumped by laser diodes

  • Southwest Institute of Technical Physics, Chengdu 610041, China

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  • Received Date: April 06, 2018
  • Revised Date: June 11, 2018
  • Published Date: January 24, 2019
    Graphical Abstract
    • Abstract
  • In order to solve the problem that the laser output energy decreases when laser diode pump wavelength drifts with temperature, the technology of laser diode pump source wavelength matching and concave-convex stable resonator are used to realize temperature-free control. After theoretical analysis and experimental verification, the results show that, when the length of laser cavity is 210mm, electro-optic conversion efficiency is 5.7%. Output single pulse energy is more than 60mJ, and the energy stability is better than 5% in the range of 10℃~30℃. Laser output spot diameter is 4mm, pulse width is 8s, and laser far-field beam divergence angle is 1.1mrad at 10Hz. The experimental results are in agreement with the theoretical analysis. The laser diode side-pumped temperature-free laser can maintain a stable energy output in a certain temperature range. The theoretical analysis and the scheme are of great significance for the study on temperature-free-controlled lasers.
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    • References (15)
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