Optical fiber based sensor system for monitoring of infrastructures

FEBUS Optics is an innovative company based in Pau (France) bringing a new generation of optical fiber based sensor system to the market, in particular for the maintenance and monitoring of infrastructures.

Distributed Acoustic Sensing

febus a1

  • Vibration monitoring
  • Single-ended
  • Phase and amplitude monitoring
  • Easy to install and easy to use
  • Optimized for harsh conditions
  • On-demand software and interface development


The FEBUS A1 device provides acoustic sensing typically every 2 m along several tens of kilometers of an optical fiber cable deployed on the infrastructure. The FEBUS A1 can be connected to optical fiber cables already in place. This system is specifically designed to meet harsh environment requirements with single-ended connection to the optical fiber sensing cable.

Furthermore, FEBUS Optics offers, along with its FEBUS A1, personalized services such as:

  • Implementation survey
  • Fiber-optic deployment (through specialized partner)
  • On-demand specific analysis modules and customized GUI (Guided User Interface)
  • Interoperability with SCADA or equivalent
  • 3-years warranty (parts and labor) and optional



50 km
(100 km with optical repeaters)
80 km with the long range option

2 channels option 2 simultaneous and synchronous interrogation channels
Channel spacing Down to 0.2 m
Gauge length Tunable from 1 m
Acquisition frequency Up to 400 kHz
Noise floor
(with standard fiber)