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Intracavity frequency-doubled green vertical external cavity surface emitting laser
Authors:Yanrong Song  Peng Zhang  Xinping Zhang  Boxia Yan  Yi Zhou  Yong Bi  Zhigang Zhang
Abstract:An intracavity frequency-doubled vertical external cavity surface emitting laser (VECSEL) with green light is demonstrated. The fundamental frequency laser cavity consists of a distributed Bragg reflector (DBR) of the gain chip and an external mirror. A 12-mW frequency-doubled output has been reached at 540 nm with a nonlinear crystal LBO when the fundamental frequency output is 44 mW at 1080 nm. The frequency doubling efficiency is about 30%.
Keywords:laser  surface  external cavity  vertical  efficiency  nonlinear crystal  output  gain  chip  mirror  fundamental  frequency  distributed Bragg reflector  green  light
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