Acta Optica Sinica, Volume. 41, Issue 22, 2206001(2021)
Single-Frequency Nd∶YAG Crystal-Derived Fiber Laser at 915 nm
We reported a single-frequency fiber laser at 915 nm based on the neodymium-doped yttrium aluminum garnet (Nd∶YAG) crystal-derived fiber (NYDF). Using Nd∶YAG crystal with doped atomic number fraction of 2.5% as the core material and a high-purity silica tube as the cladding material, we fabricated the NYDF by the molten-core method. Its transmission loss was 8 dB/m and its gain coefficient at 915 nm was 1.16 dB/cm. A stable single-frequency fiber laser at 915 nm based on the NYDF was developed, with a signal-to-noise ratio of above 50 dB. The experimental results show that the NYDF is a promising candidate material for single-frequency lasers at 890 nm--920 nm waveband.
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Xianbin Shao, Xiaohan Chen, Zhenhua Cong, Zhigang Zhao, Xingyu Zhang, Xian Zhao, Yongyao Xie, Wei Zhao, Jundu Liu, Zhaojun Liu. Single-Frequency Nd∶YAG Crystal-Derived Fiber Laser at 915 nm[J]. Acta Optica Sinica, 2021, 41(22): 2206001
Category: Fiber Optics and Optical Communications
Received: Apr. 29, 2021
Accepted: Jun. 3, 2021
Published Online: Nov. 17, 2021
The Author Email: Zhaojun Liu (zhaojunliu@sdu.edu.cn)