Current Optics and Photonics

Optical Society of Korea (한국광학회)
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Design of Concentrating System for Solar Side-pumped Slab Laser

  • Fan, Wentong (College of Science, China Three Gorges University) ;
  • Liu, Yan (College of Science, China Three Gorges University) ;
  • Guo, Pan (College of Science, China Three Gorges University) ;
  • Deng, Rui (College of Science, China Three Gorges University) ;
  • Li, Nan (School of Physics, Northeast Normal University) ;
  • Ding, Fukang (College of Science, China Three Gorges University) ;
  • Li, Yasha (College of Electrical Engineering & New Energy, China Three Gorges University) ;
  • Zhou, Jun (Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences) ;
  • Xie, Shiwei (College of Science, China Three Gorges University)
  • Received : 2019.10.30
  • Accepted : 2019.12.11
  • Published : 2020.02.25
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Abstract

The design of a concentration system for a solar side-pumped slab laser was investigated. The side size of the slab laser medium is 2 mm × 20 mm. Based on the principle of the edge ray, a secondary concentrating system consisting of a rectangular parabolic mirror (RPM) and a rectangular dielectric-filled compound parabolic concentrator (RDCPC) was demonstrated. The focal length of RPM is 1200 mm and the size is 734 mm × 2000 mm. The outlet size of the RDCPC is 2 mm × 20 mm. The concentration effect was analyzed by using Tracepro optical software. The results showed that the concentration efficiency reached 81.3% and the uniformity of the spot was 91.4% after optimization. This design of concentration system is of great reference value for a solar side-pumped slab laser.

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References

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