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Proceedings Paper

Temperature independent heterodyne monitoring of strain induced picometer scale shifts in Bragg grating sensors
Author(s): G. Berkovic; E. Shafir
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Paper 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.

Paper Details

Date Published: 28 August 2019
PDF: 4 pages
Proc. SPIE 11199, Seventh European Workshop on Optical Fibre Sensors, 1119903 (28 August 2019); doi: 10.1117/12.2539067
Show Author Affiliations
G. Berkovic, Soreq Nuclear Research Ctr. (Israel)
E. Shafir, Soreq Nuclear Research Ctr. (Israel)


Published in SPIE Proceedings Vol. 11199:
Seventh European Workshop on Optical Fibre Sensors
Kyriacos Kalli; Sinead O. O'Keeffe; Gilberto Brambilla, Editor(s)

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