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Solar pumped Nd:YAG laser

Authors
Journal
Optik - International Journal for Light and Electron Optics
0030-4026
Publisher
Elsevier
Volume
124
Issue
18
Identifiers
DOI: 10.1016/j.ijleo.2012.10.041
Keywords
  • Solar Pumped Laser
  • Fresnel Lens
  • Nd:Yag
  • Cone-Channel Condenser

Abstract

Abstract We report the high efficiency of solar pumped laser. The sunlight is concentrated by the concentrator system, which is composed by the Fresnel lens and the cone-channel condenser. The power density of sunlight concentrated by the concentrator system surpasses the lasing threshold for pumping laser. In the experiment, the sunlight concentrated is coupled into the conical chamber pumping Nd:YAG laser media. Laser output of 3.5W has been achieved; the collect efficiency is 3.5W/m2. The conversion efficiency is 1.0% from solar power into laser, and the slope efficiency is achieved 1.86%.

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