Ultraweak intrinsic Fabry-Perot cavity array for distributed sensing.

  title={Ultraweak intrinsic Fabry-Perot cavity array for distributed sensing.},
  author={Zhen Chen and Lei Yuan and Gerald Hefferman and Tao Wei},
  journal={Optics letters},
  volume={40 3},
This Letter reports on an ultraweak intrinsic Fabry-Perot interferometer (IFPI) array fabricated by a femtosecond (fs) laser for distributed sensing applications. Ultralow reflectors (<-60  dB) were obtained. IFPIs with different physical lengths showed identical temperature sensitivity (-1.5  GHz/°C). A distributed temperature sensing test was conducted… CONTINUE READING

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