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Chinese Journal of Lasers, Volume. 49, Issue 1, 0101014(2022)

High Reflectivity Mid-Infrared Fiber Bragg Grating by Femtosecond Laser Direct Inscription Method

Xianwei Xiong1, Shengping Chen2, Hongtian Zhu1, Jintao Wang1, Jinzhang Wang1, Chunyu Guo1, Peiguang Yan1、*, and Shuangchen Ruan1,3
Author Affiliations
  • 1Shenzhen Key Laboratory of Laser Engineering, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China
  • 2College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, Hunan 410073, China
  • 3Shenzhen Technology University, Shenzhen, Guangdong 518118, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (6)
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    References (24)
    Cited By (4)
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    Figures & Tables(6)
    Experimental setup for MIR FBG inscription and spectral monitoring

    Fig. 1. Experimental setup for MIR FBG inscription and spectral monitoring

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    Grating fringes written under different energy conditions

    Fig. 2. Grating fringes written under different energy conditions

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    Microscopic images. (a) FBG; (b) cross section of fiber after FBG modification

    Fig. 3. Microscopic images. (a) FBG; (b) cross section of fiber after FBG modification

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    FBG transmission spectra under different lengths

    Fig. 4. FBG transmission spectra under different lengths

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    Transmission spectrum of FBG at central wavelength of 3090 nm

    Fig. 5. Transmission spectrum of FBG at central wavelength of 3090 nm

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    • Table 1. Parameters of MIR fiber grating prepared by femtosecond laser

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      Table 1. Parameters of MIR fiber grating prepared by femtosecond laser

      FiberSpeed /(μm·s-1)Pulse energy /nJLength /mmWavelength /nmReflectivity /%Reference
      Ho3+/Pr3+∶ZBLAN8027015288050[15]
      Dy3+∶ZBLAN-24011338896[19]
      Er3+∶ZBLAN---342596[18]
      Er3+∶ZBLAN-1502.5279997[10]
      Er3+∶ZBLAN--4283899[20]
      ZBLAN2012513289499.98[12]
      InF3202258402095.2[16]
      ZBLAN1001505.98296499.27This work
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    Xianwei Xiong, Shengping Chen, Hongtian Zhu, Jintao Wang, Jinzhang Wang, Chunyu Guo, Peiguang Yan, Shuangchen Ruan. High Reflectivity Mid-Infrared Fiber Bragg Grating by Femtosecond Laser Direct Inscription Method[J]. Chinese Journal of Lasers, 2022, 49(1): 0101014

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    Paper Information

    Category: laser devices and laser physics

    Received: Aug. 3, 2021

    Accepted: Sep. 3, 2021

    Published Online: Nov. 24, 2021

    The Author Email: Yan Peiguang (yanpg@szu.edu.cn)

    DOI:10.3788/CJL202249.0101014

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology