Compact VCSEL pumped Q-switched Nd:YAG lasers

Brian Cole; Alan Hays; Chris McIntosh; John Nettleton; Lew Goldberg

doi:10.1117/12.908921

15 February 2012 Compact VCSEL pumped Q-switched Nd:YAG lasers

Brian Cole, Alan Hays, Chris McIntosh, John Nettleton, Lew Goldberg

Proceedings Volume 8235, Solid State Lasers XXI: Technology and Devices; 82350O (2012) https://doi.org/10.1117/12.908921
Event: SPIE LASE, 2012, San Francisco, California, United States

Abstract

We have explored using 808nm Vertical Cavity Surface emitting laser (VCSEL) arrays for end-pumping of Nd:YAG lasers. A variety of laser designs were explored including a compact passively Q-switched lasers that produced a 22mJ pulse having a pulse width of <1.5ns, and an actively Q-switched laser that produced a 40mJ pulse having a 7 ns pulse width. The VCSEL pumped actively Q-switched laser was used as a source for sum frequency generation. Using a 2mm type II KTP and 3mm type I LBO, we generated greater than 5mJ at 355nm with a 21% THG conversion efficiency.

Citation Download Citation

Brian Cole, Alan Hays, Chris McIntosh, John Nettleton, and Lew Goldberg "Compact VCSEL pumped Q-switched Nd:YAG lasers", Proc. SPIE 8235, Solid State Lasers XXI: Technology and Devices, 82350O (15 February 2012); https://doi.org/10.1117/12.908921

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