28 February 2006 Ceramic Yb:YAG microchip laser
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An efficient microchip laser utilizing domestically fabricated ceramic Yb:YAG is presented. In continuous-wave (cw) and Q-switched operation, the laser maintains linear polarization with 22 dB extinction and oscillates in the fundamental TEM00 mode. In cw mode, the ceramic laser has an output power of 2.25 W and a slope efficiency of 66%. When passively Q-switched at 11.4 kHz repetition rate using Cr:YAG, the 1.9 ns pulse has an average power of 0.72 W and a slope efficiency of 46%. To our knowledge, this is currently the highest reported power from a ceramic Yb:YAG laser. The laser performance of the 5-at.% ceramic is compared to a 10-at.% single crystal, and we discuss how the scattering loss and storage efficiency of the ceramic medium affect its laser characteristics.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Eric P. Ostby, Eric P. Ostby, Richard A. Ackerman, Richard A. Ackerman, Jean C. Huie, Jean C. Huie, Richard L. Gentilman, Richard L. Gentilman, } "Ceramic Yb:YAG microchip laser", Proc. SPIE 6100, Solid State Lasers XV: Technology and Devices, 610004 (28 February 2006); doi: 10.1117/12.660179; https://doi.org/10.1117/12.660179


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