Continuous-wave and passive Q-switching laser performance of Yb:YSGG crystal | Zendy

Wenjuan Han | Zendy; Xiaowen Chen | Zendy; Linhua Xia | Zendy; Shuxian Wang | Zendy; Huaijin Zhang | Zendy; Junhai Liu | Zendy

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Continuous-wave and passive Q-switching laser performance of Yb:YSGG crystal

Author(s) -

Wenjuan Han,

Xiaowen Chen,

Linhua Xia,

Shuxian Wang,

Huaijin Zhang,

Junhai Liu

Publication year - 2014

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.031404

Subject(s) - optics , materials science , laser , slope efficiency , pulse duration , q switching , diode , continuous wave , pulse width modulation , crystal (programming language) , pulse (music) , optoelectronics , power (physics) , fiber laser , physics , detector , quantum mechanics , computer science , programming language

We report, for the first time, on the passive Q-switching laser performance of Yb:YSGG disordered garnet crystal. An average output power of 2.6 W at 1025.8 nm was produced at a pulse repetition rate of 11 kHz with a slope efficiency of 47%; the resulting pulse energy, duration, and peak power were respectively 236 μJ, 3.6 ns and 65.6 kW. The laser performance in continuous-wave mode under 935-nm diode pumping was also investigated, with output coupling changed over a wide range from 0.5% to 60%.

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