Time-Expansion in Distributed Acoustic Sensing
- Resource Type
- Conference
- Authors
- Gonzalez-Herraez, Miguel; Soriano-Amat, Miguel; Duran, Vicente; Martins, Hugo F.; Martin-Lopez, Sonia; Fernandez-Ruiz, Maria R.
- Source
- 2021 Opto-Electronics and Communications Conference (OECC) Opto-Electronics and Communications Conference (OECC), 2021. :1-3 Jul, 2021
- Subject
- Communication, Networking and Broadcast Technologies
Photonics and Electrooptics
Radio frequency
Optical fiber sensors
Bandwidth
Optical fiber communication
Optical reflection
Spatial resolution
Time-domain analysis
- Language
- ISSN
- 2166-8892
We demonstrate a technique to achieve a customized temporal expansion of the time-domain trace in a phase-sensitive reflectometer, that allows the interrogation of fibers with high resolution (~2 cm) using only low-bandwidth photodetection (~ MHz). ©2021 The Author(s)