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Bragg Networks are sensors on optical fiber for the measurement of deformation, vibration, temperature, inclination and other parameters.

A Bragg network is a periodic or aperiodic disturbance of the effective refractive index in the core of an optical fibre.

Normally, the disturbance is approximately periodic over a certain length of, for example, a few millimetres or centimetres, and the period is of the order of hundreds of nanometres.

Applications of BRAGG technology:

  • Continuous temperature monitoring.
  • Security in case of detection of vandalism or intrusion in critical infrastructures.
  • Control mechanisms.