21.2% wall-plug efficiency green laser based on an electrically pumped VECSEL through intracavity second harmonic generation

Pu Zhao; Bing Xu; Robert Van Leeuwen; Tong Chen; Laurence Watkins; Delai Zhou; Jean-Francois Seurin; Peng Gao; Guoyang Xu; Qing Wang; Chuni Ghosh

doi:10.1117/12.2079819

4 March 2015 21.2% wall-plug efficiency green laser based on an electrically pumped VECSEL through intracavity second harmonic generation

Pu Zhao, Bing Xu, Robert Van Leeuwen, Tong Chen, Laurence Watkins, Delai Zhou, Jean-Francois Seurin, Peng Gao, Guoyang Xu, Qing Wang, Chuni Ghosh

Author Affiliations +

Proceedings Volume 9349, Vertical External Cavity Surface Emitting Lasers (VECSELs) V; 93490M (2015) https://doi.org/10.1117/12.2079819
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

We have achieved a 21.2% wall-plug efficiency green laser at 532 nm based on an electrically pumped vertical externalcavity surface emitting laser (VECSEL) through intracavity second harmonic generation. The continuous-wave green output power was 3.34 W. The VECSEL gain device is cooled by using a thermoelectric cooler, which can greatly benefit packaging. Both power and efficiency can be further scaled up by optimizing external-cavity design and improving the performance of VECSEL gain device.

Citation Download Citation

Pu Zhao, Bing Xu, Robert Van Leeuwen, Tong Chen, Laurence Watkins, Delai Zhou, Jean-Francois Seurin, Peng Gao, Guoyang Xu, Qing Wang, and Chuni Ghosh "21.2% wall-plug efficiency green laser based on an electrically pumped VECSEL through intracavity second harmonic generation", Proc. SPIE 9349, Vertical External Cavity Surface Emitting Lasers (VECSELs) V, 93490M (4 March 2015); https://doi.org/10.1117/12.2079819

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