3 March 2010 Q-switched resonantly diode-pumped Er:YAG laser
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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 >3.5 W in the TEM00 mode was demonstrated. More than 11 mJ of output pulse energy in the TEM00 mode has been achieved for Q-switched operation at 20Hz repetition rate. M2 of the output beam was better than 1.5 over the entire range of output pulse energies. We achieved an output peak power of ~400 kW.
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Igor Kudryashov, Igor Kudryashov, Alexei Katsnelson, Alexei Katsnelson, "Q-switched resonantly diode-pumped Er:YAG laser", Proc. SPIE 7578, Solid State Lasers XIX: Technology and Devices, 75781D (3 March 2010); doi: 10.1117/12.841038; https://doi.org/10.1117/12.841038


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