A new method of frequency-doubling with converging cavity

Dong Liu; Jingwei Guo; Dongjian Zhou; Yuqi Jin

doi:10.1117/12.2065464

3 February 2015 A new method of frequency-doubling with converging cavity

Dong Liu, Jingwei Guo, Dongjian Zhou, Yuqi Jin

Proceedings Volume 9255, XX International Symposium on High-Power Laser Systems and Applications 2014; 925530 (2015) https://doi.org/10.1117/12.2065464
Event: XX International Symposium on High Power Laser Systems and Applications, 2014, Chengdu, China

Abstract

A converging cavity is introduced in the frequency-doubling experiment to increase the efficiency. In this experiment, an annular collimated laser beam produced by Nd:YAG laser with confocal resonator is introduced into the converging cavity as fundamental light. A BBO is positioned in the converging cavity. As propagating in the converging cavity, the fundamental beam profile becomes smaller and smaller. In the theory, the conversion efficiency could be approach 100%. Our experimental result shows that the conversion efficiency is improved significantly compared with the single pass configuration.

Citation Download Citation

Dong Liu, Jingwei Guo, Dongjian Zhou, and Yuqi Jin "A new method of frequency-doubling with converging cavity", Proc. SPIE 9255, XX International Symposium on High-Power Laser Systems and Applications 2014, 925530 (3 February 2015); https://doi.org/10.1117/12.2065464

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