Fiber Optic Sensors
 

Advantages of Fiber Optic Sensors

  • Galvanic isolation
  • EMI immunity
  • Intrinsically safe
  • Passive: no need for electrical power
  • Possibility of remote, multiplexed operation
  • Small size and lightweight
  • Integrated telemetry: fiber itself is a data link
  • Wide bandwidth
  • High sensitivity

    • Fiber grating pressure sensor

Fiber Optic Sensing Techniques

  • Pressure Sensing:
  • Single point
  • Distributed
    • Brillouin scattering
  • Temperature Sensing:
  • Single point
  • Distributed
    • Raman scattering
    • Brillouin scattering

Fiber Optic Distributed Temperature Sensing:



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