Temperature independent bend sensor using Bragg gratings in Gemini fiber

E. Zetterlund; A. Loriette; C. Sterner; M. Eriksson; H. Eriksson-Quist; W. Margulis

doi:10.1117/12.835347

5 October 2009 Temperature independent bend sensor using Bragg gratings in Gemini fiber

E. Zetterlund, A. Loriette, C. Sterner, M. Eriksson, H. Eriksson-Quist, W. Margulis

Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 750333 (2009) https://doi.org/10.1117/12.835347
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom

Abstract

A two core Gemini fiber structure is described with easily accessible cores and suitable for sensing applications. The cross-section of the fiber consists of independent circular cross-sectioned fibers, connected to each other by a narrow glass bridge. The Gemini fiber is mechanically rigid and thermally stable making it suitable for sensing applications with the advantage of allowing for easier coupling at the input and output extremes. A temperature independent bend sensor based on Bragg gratings in the Gemini fiber is demonstrated.

Citation Download Citation

E. Zetterlund, A. Loriette, C. Sterner, M. Eriksson, H. Eriksson-Quist, and W. Margulis "Temperature independent bend sensor using Bragg gratings in Gemini fiber", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 750333 (5 October 2009); https://doi.org/10.1117/12.835347

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