Highly efficient second harmonic generation by using four pass quadrature frequency conversion

Hiromitsu Kiriyama; Shinichi Matsuoka; Yoichiro Maruyama; Tohru Matoba; Takashi Arisawa

doi:10.1117/12.380943

3 April 2000 Highly efficient second harmonic generation by using four pass quadrature frequency conversion

Hiromitsu Kiriyama, Shinichi Matsuoka, Yoichiro Maruyama, Tohru Matoba, Takashi Arisawa

Proceedings Volume 3889, Advanced High-Power Lasers; (2000) https://doi.org/10.1117/12.380943
Event: Advanced High-Power Lasers and Applications, 1999, Osaka, Japan

Abstract

A novel frequency converter architecture of four-pass quadrature frequency conversion scheme was developed aiming to achieve high conversion efficiency. A high conversion efficiency of more than 80% has been achieved in this scheme for frequency doubling of 1064-nm in KTP with a low input fundamental laser intensity of 76 MW/cm². A second- harmonic output of 486 mJ was obtained with 607 mJ of the input 1064-nm fundamental laser at 10 Hz.

Citation Download Citation

Hiromitsu Kiriyama, Shinichi Matsuoka, Yoichiro Maruyama, Tohru Matoba, and Takashi Arisawa "Highly efficient second harmonic generation by using four pass quadrature frequency conversion", Proc. SPIE 3889, Advanced High-Power Lasers, (3 April 2000); https://doi.org/10.1117/12.380943

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