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http://dx.doi.org/10.3807/COPP.2020.4.1.050

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)
Publication Information
Current Optics and Photonics / v.4, no.1, 2020 , pp. 50-56 More about this Journal
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.
Keywords
Solar pumped laser; Slab laser; Parabolic mirror; Dielectric-filled CPC;
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