Passively Q-switched Nd:YAlO_3 nanosecond laser using MoS_2 as saturable absorber | Zendy

Bin Xu | Zendy; Yongjie Cheng | Zendy; Yi Wang | Zendy; Yizhong Huang | Zendy; Jian Peng | Zendy; Zhengqian Luo | Zendy; Huiying Xu | Zendy; Zhiping Caï | Zendy; Jian Weng | Zendy; R. Moncorgé | Zendy

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Passively Q-switched Nd:YAlO_3 nanosecond laser using MoS_2 as saturable absorber

Author(s) -

Bin Xu,

Yongjie Cheng,

Yi Wang,

Yizhong Huang,

Jian Peng,

Zhengqian Luo,

Huiying Xu,

Zhiping Caï,

Jian Weng,

R. Moncorgé

Publication year - 2014

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.028934

Subject(s) - saturable absorption , materials science , laser , optics , nanosecond , q switching , optoelectronics , pulse (music) , pulse width modulation , fiber laser , voltage , wavelength , physics , quantum mechanics , detector

We report on the first passively Q-switched Nd:YAlO₃ laser at ~1079.5 nm using MoS₂ as saturable absorber. The MoS₂ saturable absorber is fabricated by transferring the liquid-phase-exfoliated MoS₂ nanosheets onto a BK7 glass substrate. By inserting the glass MoS₂ saturable absorber into a plano-concave Nd:YAlO₃ laser cavity, we obtain a stable Q-switched laser operation with a maximum average output power of 0.26 W corresponding to a pulse repetition rate of 232.5 kHz, a pulse width of 227 ns and a pulse energy of about 1.11 μJ. The results experimentally confirm the promising application of the new kind of 2D material, few-layer MoS₂, in solid state lasers.

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