1 May 2014 Er:Cr:YSGG Q-switched laser for pumping mid-IR systems
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For coherent pumping of Fe:ZnSe and Fe:ZnMgSe lasers generating giant pulses in mid-infrared part of spectrum the radiation with wavelength ~ 3 μm and pulse-length in the range of hundreds of nanoseconds (for room temperature operation) are needed. For more flexibility in pumping of Fe-based mid-infrared materials also new Er:YSGG laser was designed and characterized and compared with previously designed Er:YAG laser. The giant pulses with the energy 53 mJ and length of pulse ~ 80 ns were obtained for pumping 24 J. The generated wavelength was measured to be 2.79 μm and space structure was close to Gaussian.
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H. Jelínková, D. Vyhlídal, M. Čech, J. Šulc, M. Němec, M. Fibrich, T. Koutný, "Er:Cr:YSGG Q-switched laser for pumping mid-IR systems", Proc. SPIE 9135, Laser Sources and Applications II, 913526 (1 May 2014); doi: 10.1117/12.2054554; https://doi.org/10.1117/12.2054554


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