• 专利标题: Fiber optic pulsed polarimetry
  • 申请号: US15428892
    申请日: 2017-02-09
  • 公开(公告)号: US10466288B2
    公开(公告)日: 2019-11-05
  • 发明人: Roger Smith
  • 申请人: Roger Smith
  • 主分类号: G01R29/08
  • IPC分类号: G01R29/08 G01R33/032
Fiber optic pulsed polarimetry
摘要:
This disclosure is directed to fiber optic pulsed polarimeters based on either streak camera or photodiode detection using a backscatter tailored optical fiber and the polarization optical time domain reflectometry technique for conducting remote diagnostic measurements of inducing fields along the fiber. The backscatter tailored optical fiber comprises a single mode fiber with an array of fiber Bragg gratings written to produce a predetermined distribution of backscatter signal in intensity and spectral content in response to a pulse propagating along the array. The fiber optic pulsed polarimeter includes a directional coupler that diverts the backscatter from the backscatter-tailored optical fiber to a polarization detection system for determining the polarization state of the backscatter as the polarized light pulse transits the backscatter-tailored optical fiber.
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