An Ultra-High-SMSR External-Cavity Diode Laser with a Wide Tunable Range around 1550 nm

被引：11
作者：
Wang, Yan [1 ,2 ]
Wu, Hao [1 ]
Chen, Chao [1 ]
Zhou, Yinli [1 ]
Wang, Yubing [1 ]
Liang, Lei [1 ]
Tian, Zhenhua [1 ]
Qin, Li [1 ]
Wang, Lijun [1 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, State Key Lab Luminescence & Applicat, Changchun 130033, Jilin, Peoples R China
[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
来源：
APPLIED SCIENCES-BASEL | 2019年 / 9卷 / 20期
关键词：
external cavity diode laser (ECDL); side mode suppression ratio (SMSR); diffractive grating; tunable laser; NARROW-LINEWIDTH; NOISE; FIBER;
D O I：
10.3390/app9204390
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Featured Application External cavity diode laser emitting at around 1550 nm with an ultra-high side mode suppression ratio can be applied in the field of high-dynamic-range testing and measurement. Abstract In this paper, a widely tunable external cavity diode laser (ECDL) with an ultra-high side mode suppression ratio (SMSR) was fabricated. Three configurations were constructed to investigate the relationship between the grating features and the SMSR. When a 1200 grooves/mm grating with a first order diffraction efficiency of 91% is utilized in the external-cavity laser system, a maximum SMSR of 65 dB can be achieved. In addition, the tunable range reaches 209.9 nm. The results show that the laser performance can be improved by proper high grating groove number and first-order diffraction efficiency.
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页数：8
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