Wide temperature operation of a VCSEL pumped 355nm frequency tripled Nd:YAG laser

Brian Cole; Alan Hays; Chris McIntosh; Lew Goldberg

doi:10.1117/12.2006254

18 March 2013 Wide temperature operation of a VCSEL pumped 355nm frequency tripled Nd:YAG laser

Brian Cole, Alan Hays, Chris McIntosh, Lew Goldberg

Proceedings Volume 8599, Solid State Lasers XXII: Technology and Devices; 85991L (2013) https://doi.org/10.1117/12.2006254
Event: SPIE LASE, 2013, San Francisco, California, United States

Abstract

We have fabricated prototype frequency tripled Nd:YAG lasers using 808nm Vertical Cavity Surface emitting laser (VCSEL) arrays for end-pumping. The passively Q-switched Nd:YAG laser generated 15mJ pulses with a duration of 2-4 ns. Used as a source for third harmonic generation, the laser produced in excess of 2mJ at 355nm. Of particular concern was the impact of temperature variation on conversion efficiency, which included effects for both the source laser and non-linear crystals. Various solutions to the temperature effects were explored to enable operation of the frequency tripled laser over a wide temperature range.

Citation Download Citation

Brian Cole, Alan Hays, Chris McIntosh, and Lew Goldberg "Wide temperature operation of a VCSEL pumped 355nm frequency tripled Nd:YAG laser", Proc. SPIE 8599, Solid State Lasers XXII: Technology and Devices, 85991L (18 March 2013); https://doi.org/10.1117/12.2006254

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