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High power diode-pumped continuous wave and Q-switch operation of Tm,Ho:YVO4 laser

✍ Scribed by B.Q. Yao; G. Li; P.B. Meng; G.L. Zhu; Y.L. Ju; Y.Z. Wang

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 99 KB
Volume: 7
Category: Article
ISSN: 1612-2011
DOI: 10.1002/lapl.201010074

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✦ Synopsis

High power diode-pumped continuous wave (CW) and Q-switch operation of Tm,Ho:YVO4 laser is reported. Using two Tm,Ho:YVO 4 rods in a single cavity, up to 20.2 W of CW output lasing at 2054.7 nm was obtained under cryogenic temperature of 77 K with an optical to optical conversion efficiency of 32.9%. For Q-switch operation, up to 19.4 W of output was obtained under 15 kHz pulse repetition frequency (PRF) with a minimum pulse width of 24.2 ns. In addition, different pulse repetition frequencies of Q-switch operation with 10.0 kHz, 12.5 kHz and 15.0 kHz were investigated comparatively.

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