High-resolution strain sensing by locking lasers to fiber Bragg gratings

Boaz Lissak*, Ady Arie, Moshe Tur

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

By locking a diode laser wavelength to the mid-reflection wavelength of a fiber-Bragg grating, dynamic strain sensing resolution of ≈ 45 pε/√Hz at 3 kHz is achieved. The error signal provides direct electronic demodulation.

Original languageEnglish
Pages (from-to)250-254
Number of pages5
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3483
DOIs
StatePublished - 2003
EventEuropean Workshop on Optical Fibre Sensors - Peebles, United Kingdom
Duration: 8 Jul 19988 Jul 1998

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