Solar-pumped solid-state lasers

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 06 Apr 1987Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Journal of Quantum Electronics, volume 24, pages 1,222-1,228 (issn: 0018-9197, eissn: 1558-1713,

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Authors: Meyer Weksler; Josef Shwartz;

doi: 10.1109/3.247 , 10.1117/12.938070

Solar-pumped solid-state lasers

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Abstract

Results are presented for direct solar pumping of a Nd:YAG rod laser. Stable CW output of more than 60 W was obtained with a slope efficiency exceeding 2%. A compound parabolic concentrator, designed to increase the solar radiation coupled into the laser rod, was used in these experiments. The results are consistent with predictions based on a single solar-pumped laser model, which is also presented. Using this model, it is shown that existing laser materials with broadband absorption characteristics (e.g. alexandrite and Nd:Cr:GSGG) have a potential for better than 10% overall conversion efficiency when solar-pumped. >

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Weizmann Institute of Science
Israel

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