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Opt Lett. 1987 Dec 1;12(12):1014-6.

Second-harmonic generation of a continuous-wave diode-pumped Nd:YAG laser using an externally resonant cavity.

Abstract

We report 13% second-harmonic conversion efficiency of a 15-mW, cw, diode-laser-pumped Nd:YAG oscillator. 2 mW of single-axial-mode 532-mm radiation was generated by externally resonant second-harmonic generation in a monolithic MgO:LiNbO(3) nonlinear crystal cavity. The measured finesse of 450 for the monolithic external cavity indicated that absorption and scatter losses in the doubler were less than 0.8%.

PMID:
19741946
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