Temperature independent heterodyne monitoring of strain induced picometer scale shifts in Bragg grating sensors

G. Berkovic; E. Shafir

doi:10.1117/12.2539067

28 August 2019 Temperature independent heterodyne monitoring of strain induced picometer scale shifts in Bragg grating sensors

G. Berkovic, E. Shafir

Author Affiliations +

Proceedings Volume 11199, Seventh European Workshop on Optical Fibre Sensors; 1119903 (2019) https://doi.org/10.1117/12.2539067
Event: Seventh European Workshop on Optical Fibre Sensors, 2019, Limassol, Cyprus

Abstract

A novel sensitive and fast technique is described for monitoring pm scale shifts of narrow Bragg grating features. The technique is based on a grating pair and heterodyne measurement, and offers inherent compensation of temperature variations under strain measurement.

Citation Download Citation

G. Berkovic and E. Shafir "Temperature independent heterodyne monitoring of strain induced picometer scale shifts in Bragg grating sensors", Proc. SPIE 11199, Seventh European Workshop on Optical Fibre Sensors, 1119903 (28 August 2019); https://doi.org/10.1117/12.2539067

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