Characteristic research of homemade FBG-based thulium fiber laser

Feng Hu; Ting Yu; Kaiqi Zhao; Hao yang Pi; Chuanpeng Qian; Jing Liu; Xiangchun Shi; Xi sheng Ye

doi:10.1117/12.2587625

12 March 2021 Characteristic research of homemade FBG-based thulium fiber laser

Feng Hu, Ting Yu, Kaiqi Zhao, Hao yang Pi, Chuanpeng Qian, Jing Liu, Xiangchun Shi, Xi sheng Ye

Proceedings Volume 11763, Seventh Symposium on Novel Photoelectronic Detection Technology and Applications; 117638V (2021) https://doi.org/10.1117/12.2587625
Event: Seventh Symposium on Novel Photoelectronic Detection Technology and Application 2020, 2020, Kunming, China

Abstract

Most of the FBGs used in continues-wave thulium-doped fiber lasers are made in foreign companies. So we built up a fiber Bragg grating (FBG) writing platform to produce different parameter FBG for research, and a homemade FBG-based thulium-doped fiber laser testing system was experimentally demonstrated in this paper. Here homemade uniform FBGbased thulium fiber laser output characteristic was explored. The thulium-doped fiber laser was built up with two 793nm laser diodes as pump source, a thulium-doped fiber, a combiner and a pair of homemade FBGs. A 1916 nm thulium-doped fiber laser with output power of 20.87 W and slope efficiency of 41.29% and a 1917 nm thulium-doped fiber laser with output power of 19.53 W and slope efficiency of 38.56% were obtained by optimizing the thulium-doped fiber length, the operation temperature of the grating and the center wavelength of the grating.

Citation Download Citation

Feng Hu, Ting Yu, Kaiqi Zhao, Hao yang Pi, Chuanpeng Qian, Jing Liu, Xiangchun Shi, and Xi sheng Ye "Characteristic research of homemade FBG-based thulium fiber laser", Proc. SPIE 11763, Seventh Symposium on Novel Photoelectronic Detection Technology and Applications, 117638V (12 March 2021); https://doi.org/10.1117/12.2587625

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