20 May 2015 Compact, passively q-switched 523-nm laser
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Abstract
A compact laser with a volume of < 8 cm3 and a weight of < 80 g finds its application in many fields from military to space based. We built a small solid-state laser that produces 1 mJ of energy per-pulse at a 1 - 20 Hz repetition rate. The laser is passively Q-switched using a Cr4+:YAG saturable absorber to generate pulses < 10 ns. A nonlinear crystal doubles the frequency to generate light at 523 nm. The laser is side-pumped by a single bar diode laser using a unique pump cavity to homogenize the pump intensity in the laser rod. The laser components can easily be modified to change the output wavelength from UV to mid IR.
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Bhabana Pati, Bhabana Pati, Eric D. Park, Eric D. Park, Kenneth Stebbins, Kenneth Stebbins, } "Compact, passively q-switched 523-nm laser", Proc. SPIE 9466, Laser Technology for Defense and Security XI, 94660S (20 May 2015); doi: 10.1117/12.2177334; https://doi.org/10.1117/12.2177334
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