Efficient intracavity second-harmonic generation at 1063 nm in a GdCOB crystal |
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| Authors: | Z C Wu W M Liu |
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| Institution: | 1.School of Opto-Electronic Engineering,xi’an Technological University,xi’an,China;2.Jilin Laser Institute,Changchun,China |
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| Abstract: | We report an efficient intracavity second-harmonic generation (SHG) at 1063 nm in a non-linear optical crystal, GdCa4O(BO3)3 (GdCOB), performed with a diode end pumped continuous-wave (CW) Nd:GdVO4 laser. In the case of a laser with an a-cut 0.4 at % Nd:GdVO4 crystal frequency-doubled with a GdCOB crystal cut for Type I frequency doubling. A CW SHG output power of 2.25 W has been
obtained using a 15 mm long GCOB crystal. The optical conversion efficiency with respect to the incident pump power was 12.4%. |
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