Q-switched Nd:GdVO4 laser based on gold nanotriangles saturable absorbers

被引：0
|
作者：
Lili Wang
Jinxi Bai
Xiaohan Chen
Qiongyu Hu
Binghai Liu
Ping Li
机构：
[1] Shandong University,School of Information Science and Engineering, and Shandong Provincial Key Laboratory of Laser Technology and Application
来源：
Optical and Quantum Electronics | 2018年 / 50卷
关键词：
Solid-state lasers; Saturable absorbers; Gold nanotriangles; Passively Q-switched;
D O I：
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学科分类号：
摘要：
The saturable absorption properties of gold nanotriangles (GNTs) around 1 μm were investigated in a passively Q-switched Nd:GdVO4 lasers. With the GNTs film as the saturable absorber (SA), the shortest pulse width of 237.5 ns was achieved at the transmittance of 4% (T = 4%) under the pump power of 2.4 W with the average output power of 136.7 mW and maximum pulse repetition rates of 190 kHz, while the shortest pulse width was 268.6 ns at T = 10.8% under the pump power of 3.7 W, corresponding to the average output power and maximum pulse repetition rates of 191.5 mW and 200 kHz, respectively. These results indicated a great potential of the GNTs film as SA in the near-infrared region.
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