Truly Linear and Dynamic Distributed Strain Sensor using intensity-only measurements

Juan Pastor-Graells, Hugo F. Martins, Andres Garcia-Ruiz, Sonia Martin-Lopez, Miguel Gonzalez-Herraez
2016 Advanced Photonics 2016 (IPR, NOMA, Sensors, Networks, SPPCom, SOF)   unpublished
A new dynamic distributed strain sensor is presented in this work. It is based on a phase-sensitive OTDR and linearly chirped pulses. Linear strain measurements at kHz rates with 4 nε resolution are demonstrated.
doi:10.1364/sensors.2016.sem3d.5 fatcat:hntpzuudazgqfdprpnumacst4a