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MYRIAGATOR FOR AFFORDABLE AND HIGH PERFORMANCE DISTRIBUTED FBG SENSING

One of the key advantages of fiber sensing compared to electronics sensors is the ability to integrate multiple measurement points down a single fiber line.

Probing particular FBG sensors is done by allocating a certain frequency bandwidth for each sensor, of which there is limited total window available (e.g. 8 for a gator). Sensor multiplexing in one fiber can, however, also be obtained in the time domain.

A new method has been demonstrated to work with our standard gator architecture by the addition of a time-modulated optical amplifier in line between the gator and the sensor array. This timedomain multiplexing allows for tens to hundreds of unique sets of FBGs to be interrogated in a single fiber consecutively, vastly extending the range of sensors into the thousands that can be analyzed with a single interrogation system. This highly demanded system will soon become available as the MyriaGator, of particular interest to distributed sensing applications requiring many sensors for instance for thermal mapping and security monitoring.

MYRIAGATOR FOR AFFORDABLE AND HIGH PERFORMANCE DISTRIBUTED FBG SENSING

MyriaGator