14 May 2010 1645-nm Q-switched Er:YAG laser with in-band diode pumping
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In this work, resonant diode pumping has been demonstrated for Q-switched and CW Er:YAG solid state lasers (SSLs) at eye-safe wavelengths. Resonant pumping was realized by using high spectral brightness 1470 nm laser diodes. An efficient 1645 nm CW laser with output power >5 W in the TEM00 mode was demonstrated. Total optical-to-optical efficiency was >19%. More than 11 mJ of output pulse energy and an output peak power of ~400 kW have been achieved in the TEM00 mode for Q-switched operation.
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Igor Kudryashov, Igor Kudryashov, Alexey Katsnelson, Alexey Katsnelson, } "1645-nm Q-switched Er:YAG laser with in-band diode pumping", Proc. SPIE 7686, Laser Technology for Defense and Security VI, 76860B (14 May 2010); doi: 10.1117/12.853083; https://doi.org/10.1117/12.853083


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