Dynamic optical frequency domain reflectometry

Dror Arbel, Avishay Eyal

Research output: Contribution to journalArticlepeer-review


We describe a dynamic Optical Frequency Domain Reflectometry (OFDR) system which enables real time, long range, acoustic sensing at high sampling rate. The system is based on a fast scanning laser and coherent detection scheme. Distributed sensing is obtained by probing the Rayleigh backscattered light. The system was tested by interrogation of a 10km communication type single mode fiber and successfully detected localized impulse and sinusoidal excitations.

Original languageEnglish
Pages (from-to)8823-8830
Number of pages8
JournalOptics Express
Issue number8
StatePublished - 21 Apr 2014


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