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Conferences > CLEOPR > 2017 > PSI > s1928
  • 2017 Conference on Lasers and Electro-Optics Pacific Rim
  • (Optica Publishing Group, 2017),
  • paper s1928

Resonantly Pumped Er:YAG Ceramic Single-frequency Laser

Wang Lei, Guo Nan, Wang Sijia, and Qin Peng

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Abstract

We present a laser-diode-pumped 1645nm single-longitudinal-mode laser from a monolithic Er:YAG ceramic nonplanar ring oscillator (NPRO). The Er:YAG ceramic NPRO laser was resonantly pumped by a 1532 nm diode laser. 1.56 W single frequency laser output was obtained with a slope efficiency of 25.06% and an optical efficiency of 16.45% with respect to incident pump power. The power instability of the single frequency laser was 0.51%. The wavelength instability was 1.09 pm. The beam quality M2 factors were 1.21 and 1.42 in x and y directions, respectively.

© 2017 Optical Society of America

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