Chinese Journal of Lasers, Volume. 47, Issue 8, 806002(2020)

UV Guiding Hollow-Core Antiresonant Fiber

Wang Mengling1,2,3, Gao Shoufei1,2,3, Wang Yingying1,2,3、*, and Wang Pu1,2,3
Author Affiliations
  • 1Faculty of Materials and Manufacturing, Bejing University of Technology, Beijing 100124, China
  • 2National Center of Laser Technology, Beijing University of Technology, Beijing 100124, China
  • 3Key Laboratory of Trans-Scale Laser Manufacturing Technology, Ministry of Education,Beijing University of Technology, Beijing 100124, China
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    To achieve the flexible transmission of an ultraviolet laser, a hollow antiresonant fiber with seven capillary tubes in the cladding was fabricated. The outer diameter of the fiber is 95 μm, and the core diameter is 11 μm. The average diameter of the cladding is 5 μm, and the average wall thickness is 319 nm. Two ultraviolet laser beams with wavelengths of 266 nm and 355 nm can be simultaneously guided by the fiber with transmission losses of 0.25 dB/m and 0.8 dB/m, respectively. The bending loss in the two transmission bands at a bending radius of 5 cm is 0.05 dB/m at 266 nm and 0.023 dB/m at 355 nm. The low bending sensitivity is due to the small core diameter of the fiber. This allows further miniaturization of the device. The antiresonant fiber is expected to play an important role in laser transmission and ultraviolet laser spectroscopy.

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    Wang Mengling, Gao Shoufei, Wang Yingying, Wang Pu. UV Guiding Hollow-Core Antiresonant Fiber[J]. Chinese Journal of Lasers, 2020, 47(8): 806002

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    Paper Information

    Category: Fiber optics and optical communication

    Received: Feb. 4, 2020

    Accepted: --

    Published Online: Aug. 17, 2020

    The Author Email: Yingying Wang (wangyingying@bjut.edu.cn)

    DOI:10.3788/CJL202047.0806002

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