Dual-wavelength passively Q-switched Nd: GYSGG laser by tungsten disulfide saturable absorber

被引：12

作者：

Gao, Y. J. ^{[1
]}

Zhang, B. Y. ^{[1
]}

Song, Q. ^{[1
]}

Wang, G. J. ^{[1
]}

Wang, W. J. ^{[1
]}

Hong, M. H. ^{[1
]}

Dou, R. Q. ^{[2
]}

Sun, D. L. ^{[2
]}

Zhang, Q. L. ^{[2
]}

机构：

[1] Liaocheng Univ, Shandong Key Lab Opt Commun Sci & Technol, Sch Phys Sci & Informat Engn, Liaocheng 252059, Peoples R China

[2] Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Key Lab Photon Devices & Mat Anhui, Hefei 230031, Peoples R China

来源：

APPLIED OPTICS | 2016年 / 55卷 / 18期

基金：

中国国家自然科学基金;

关键词：

GRAPHENE; FEMTOSECOND; FIBER; MOS2;

D O I：

10.1364/AO.55.004929

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A dual-wavelength passively Q-switched Nd: GYSGG laser using vacuum evaporating tungsten disulfide (WS2) as a saturable absorber was demonstrated for the first time to the best of our knowledge. The WS2 saturable absorber was prepared simply by evaporating nanometer WS2 powders onto a quartz substrate in a vacuum. By inserting the WS2 saturable absorber into the laser cavity, stable Q-switched laser operation was achieved with a maximum average output power of 367 mW, a pulse repetition rate of 70.7 kHz, the shortest pulse width of 591 ns, and pulse energy of about 1.05 mu J. By vacuum evaporation method, a high-quality WS2 saturable absorber can be produced, and it seems to be a suitable method for fabrication of 2D transition metal dichalcogenides. (C) 2016 Optical Society of America

引用

页码：4929 / 4932

页数：4

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