Pruneri, V., Koch, R., Kazansky, P.G., Clarkson, W.A., Russell, P.St.J. and Hanna, D.C.
Highly-efficient cw blue light generation via first-order quasi-phase-matched frequency-doubling of a diode-pumped 946nm Nd:YAG laser.
Advanced Solid State Lasers - Quasi-Phase Matching (1996).
Optical Society of America.
(OSA Trends in Optics and Photonics Series, 1).
49 mW of cw blue light have been generated with a conversion efficiency of 4.6% by first-order quasi-phase-matched frequency doubling of a high-power diode-pumped 946 nm Nd:YAG laser. A sample of periodically poled LiNbO3, with domain reversal period of 4.6 µm and length of 6 mm was used in the experiment. The measured effective nonlinear coefficient of 19 pm/V and the bandwidth of 3 °C for the quasi-phase-matching curve (second harmonic power vs. temperature) are very close to the theoretical limits.
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