A compact solid state laser

Author Info:

Bhabana Pati, Eric D. Park, and Kenneth Stebbins
SPIE Photonics West, 13-18 February 2016, San Francisco, CA

Abstract:

A compact laser producing a green wavelength with a volume of 8 cm3 and a weight of 80 g finds application in many fields from military to space based. Q-Peak has designed and built a small solid-state laser that produces 1 mJ of energy per-pulse at a 1 - 20 Hz repetition rate.

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The laser is passively Q-switched using a Cr4+:YAG saturable absorber to generate pulses 10 ns. A KTP nonlinear crystal doubles the frequency to generate light at 523 nm. The laser is sidepumped by a single bar diode laser using a unique pump cavity to homogenize the pump intensity in the laser rod. The non-linear components can easily be modified to change the output wavelength from UV to mid IR.

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A compact solid state laser

Copyright © 2016 Society of Photo-Optical Instrumentation Engineers. Presented at SPIE Photonics West, SPIE Paper No. 9726-27, 13-18 February, 2016 . This paper is made available as an electronic reprint (preprint) with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

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