Passively Q-switched VCSEL-pumped Nd:YAG laser with 47 mJ pulse energy

Robert Van Leeuwen; Bing Xu; Qing Wang; Guoyang Xu; Delai Zhou; Alexey Kovsh; Jean-Francois Seurin; Chuni L. Ghosh

doi:10.1117/12.2252311

17 February 2017 Passively Q-switched VCSEL-pumped Nd:YAG laser with 47 mJ pulse energy

Robert Van Leeuwen, Bing Xu, Qing Wang, Guoyang Xu, Delai Zhou, Alexey Kovsh, Jean-Francois Seurin, Chuni L. Ghosh

Author Affiliations +

Proceedings Volume 10082, Solid State Lasers XXVI: Technology and Devices; 100820L (2017) https://doi.org/10.1117/12.2252311
Event: SPIE LASE, 2017, San Francisco, California, United States

Abstract

A compact passively Q-switched Nd:YAG laser was end-pumped by a water-cooled 808 nm vertical-cavity surface-emitting laser (VCSEL) pump module comprising four high power, high brightness VCSEL chips with a combined 10 mm diameter circular emitting area and 2.3 kW total peak power, resulting in 47 mJ laser pulse energy at 1064 nm with 16% optical efficiency at 15 Hz repetition frequency. A laser package comprising an air-cooled 1.6 kW VCSEL pump module produced 37 mJ laser pulse energy, while more than 13 mJ laser pulse energy was demonstrated in a bench-top experiment with a very compact laser set-up using a single 5 mm x 5 mm VCSEL chip.

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Citation Download Citation

Robert Van Leeuwen, Bing Xu, Qing Wang, Guoyang Xu, Delai Zhou, Alexey Kovsh, Jean-Francois Seurin, and Chuni L. Ghosh "Passively Q-switched VCSEL-pumped Nd:YAG laser with 47 mJ pulse energy", Proc. SPIE 10082, Solid State Lasers XXVI: Technology and Devices, 100820L (17 February 2017); https://doi.org/10.1117/12.2252311

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