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Tilted fiber Bragg gratings (TFBGs), i.e., tilt of the grating plane breaking the cylindrical symmetry of the fiber, are inscribed in standard telecom single mode fiber without physical modification, which couples the forward propagating light in the core to hundreds of discrete backward propagating cladding modes.

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Tilted Fiber Bragg Grating Sensors

  • 章节

  • 发表日期：

    2025年

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  • Fu Liu,
  • Tuan Guo

摘要

Tilted fiber Bragg gratings (TFBGs), i.e., tilt of the grating plane breaking the cylindrical symmetry of the fiber, are inscribed in standard telecom single mode fiber without physical modification, which couples the forward propagating light in the core to hundreds of discrete backward propagating cladding modes.