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Chinese Journal of Lasers, Volume. 47, Issue 8, 804004(2020)

Electron Radiation Sensing Characteristics of Silica Cladding LYSO∶Ce Scintillating Fiber

Meng Zong1、*, Chen Zijun1, Li Yuhe2, and Guo Qiang3
Author Affiliations
  • 1School of Electrical Engineering, Yanshan University, Qinhuangdao, Hebei 0 66004, China
  • 2State Key Laboratory of Precision Measuring Technology and Instruments, Tsinghua University, Beijing 100084, China
  • 3Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai University, Shanghai 200444, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (14)
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    References (29)
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    Figures & Tables(14)
    Diagram of silica cladding crystal scintillating fiber prepared by modified rod-in-tube method

    Fig. 1. Diagram of silica cladding crystal scintillating fiber prepared by modified rod-in-tube method

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    Pictures of scintillating fibers. (a) Pictures of two kinds of scintillating fibers; (b) SLCF under electronic screen microscope

    Fig. 2. Pictures of scintillating fibers. (a) Pictures of two kinds of scintillating fibers; (b) SLCF under electronic screen microscope

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    Diagram of radiation sensing system based on scintillating fiber

    Fig. 3. Diagram of radiation sensing system based on scintillating fiber

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    Radiation window of electron accelerator

    Fig. 4. Radiation window of electron accelerator

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    SPC time response of scintillating fibers. (a) SLCF; (b) SYCF

    Fig. 5. SPC time response of scintillating fibers. (a) SLCF; (b) SYCF

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    SPR doseresponse of scintillating fibers. (a) SLCF; (b) SYCF

    Fig. 6. SPR doseresponse of scintillating fibers. (a) SLCF; (b) SYCF

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    Radiation sensing characteristics of SLCF with different lengths

    Fig. 7. Radiation sensing characteristics of SLCF with different lengths

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    Relationship between radiation responsivity and fiber length of SLCF

    Fig. 8. Relationship between radiation responsivity and fiber length of SLCF

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    Radiation sensing characteristics of SLCF under different distances between SLCF and radiation source

    Fig. 9. Radiation sensing characteristics of SLCF under different distances between SLCF and radiation source

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    Relationship between radiation responsivity of SLCF and distance from fiber to radiation source

    Fig. 10. Relationship between radiation responsivity of SLCF and distance from fiber to radiation source

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    Electron radiation experimental result

    Fig. 11. Electron radiation experimental result

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    • Table 1. Parameters of scintillating fibers

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      Table 1. Parameters of scintillating fibers

      FeatureSLCFSYCF
      Core materialLYSO∶CeYAG∶Ce
      Cladding materialSiO2SiO2
      Core refractive index1.811.82
      Cladding refractive index1.461.46
      Core diameter /μm5050
      Fiber diameter /μm125125
      Length /cm1010
      Luminescence peak /nm420550

    • Table 2. Fitting functions of radiation responses of SLCF with different lengths

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      Table 2. Fitting functions of radiation responses of SLCF with different lengths

      Length /cmFitting functionR-squared
      2y=124.45x+21.130.9999
      4y=153.23x+17.050.9999
      6y=193.40x+8.820.9999
      8y=272.87x+63.600.9999
      10y=350.61x+86.150.9999

    • Table 3. Fitting functions of radiation responses with different distances between SLCF and radiation source

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      Table 3. Fitting functions of radiation responses with different distances between SLCF and radiation source

      Distance /cmFitting functionR-squared
      25y=226.53x+34.730.9997
      31y=269.46x+63.400.9998
      38y=350.61x+86.150.9999
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    Meng Zong, Chen Zijun, Li Yuhe, Guo Qiang. Electron Radiation Sensing Characteristics of Silica Cladding LYSO∶Ce Scintillating Fiber[J]. Chinese Journal of Lasers, 2020, 47(8): 804004

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    Paper Information

    Category: Measurement and metrology

    Received: Jan. 13, 2020

    Accepted: --

    Published Online: Aug. 17, 2020

    The Author Email: Zong Meng (mzysu@ysu.edu.cn)

    DOI:10.3788/CJL202047.0804004

    Topics

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