Self-Q-switching in bulk Yb:KGd(WO4)2 laser

Jinghui Liu; Jinrong Tian; Zhiyuan Dou; Mengting Hu; Yanrong Song

doi:10.3788/COL201513.061407

Journals >Chinese Optics Letters >Volume 13 >Issue 6 >Page 061407 > Article

Chinese Optics Letters
Vol. 13, Issue 6, 061407 (2015)

Self-Q-switching in bulk Yb:KGd(WO₄)₂ laser

Jinghui Liu, Jinrong Tian^*, Zhiyuan Dou, Mengting Hu, and Yanrong Song

Author Affiliations

College of Applied Sciences, Beijing University of Technology, Beijing 100124, China

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DOI: 10.3788/COL201513.061407 Cite this Article Set citation alerts

Jinghui Liu, Jinrong Tian, Zhiyuan Dou, Mengting Hu, Yanrong Song. Self-Q-switching in bulk Yb:KGd(WO₄)₂ laser[J]. Chinese Optics Letters, 2015, 13(6): 061407 Copy Citation Text

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Abstract

Self-

Q

-switching is observed in a bulk

Yb : KGd {({WO}_{4})}_{2}

oscillator without any additional modulating elements. The output power reaches 434.4 mW at a pump power of 13.67 W, corresponding to pulse repetition rate of 125 kHz and a pulse duration of 2.5 μs, respectively. The mechanism of self-pulse formation is explained by the re-absorption effect of the

{Yb}^{3 +}

ion in

Yb : KGd {({WO}_{4})}_{2}

f_{rep} = \frac{1}{τ_{f}} \frac{G_{0}}{Q_{0}} .

(1)

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Jinghui Liu, Jinrong Tian, Zhiyuan Dou, Mengting Hu, Yanrong Song. Self-Q-switching in bulk Yb:KGd(WO₄)₂ laser[J]. Chinese Optics Letters, 2015, 13(6): 061407

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