Gold nanorods as the saturable absorber for a diode-pumped nanosecond Q-switched 2 μm solid-state laser

被引：54

作者：

Huang, Haitao ^{[1
]}

Li, Min ^{[1
]}

Liu, Pian ^{[1
]}

Jin, Lin ^{[1
]}

Wang, Hui ^{[1
]}

Shen, Deyuan ^{[1
,2
]}

机构：

[1] Jiangsu Normal Univ, Jiangsu Key Lab Adv Laser Mat & Devices, Sch Phys & Elect Engn, Xuzhou 221116, Peoples R China

[2] Fudan Univ, Dept Opt Sci & Engn, Shanghai 200433, Peoples R China

来源：

OPTICS LETTERS | 2016年 / 41卷 / 12期

基金：

中国国家自然科学基金;

关键词：

OPTICAL-ABSORPTION SPECTRA; MODE-LOCKING; BLACK PHOSPHORUS; ASPECT RATIO; GENERATION; SIMULATION;

D O I：

10.1364/OL.41.002700

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Gold nanorods (GNRs) with an average aspect ratio of 15 were experimentally exploited as the 2 mu m saturable absorber in a laser diode pumped Tm:YAG laser for the first time, to the best of our knowledge. Q-switched pulses with a maximum average output power of 380 mW, a minimum pulse width of 796 ns, and a pulse repetition rate of 77 kHz were achieved under the LD pump power of 6.2 W. Our results indicate that GNRs with a large aspect ratio are promising saturable absorbers in the 2 mu m wavelength region. (C) 2016 Optical Society of America

引用

页码：2700 / 2703

页数：4

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