Optical sensing with antiresonant capillary fibers

Jonas H. Osório; Thiago H. R. Marques; Igor C. Figueredo; Valdir A. Serrão; Marcos A. R. Franco; Cristiano M. B. Cordeiro

doi:10.1117/12.2265350

23 April 2017 Optical sensing with antiresonant capillary fibers

Jonas H. Osório, Thiago H. R. Marques, Igor C. Figueredo, Valdir A. Serrão, Marcos A. R. Franco, Cristiano M. B. Cordeiro

Author Affiliations +

Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103233U (2017) https://doi.org/10.1117/12.2265350
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of

Abstract

Herein, we present a study of the use of polymer capillary optical fibers in sensing measurements. In particular, we approach the application of these fibers for temperature sensing. To do this, an analytical model for describing the spectral characteristics of the light transmitted through the capillaries was employed. Thermal expansion and thermooptic effect influences on the transmitted spectrum were evaluated. Moreover, a 140 ± 6 pm/°C temperature sensitivity was measured, which is in good resemblance to simulated data and is around 14 times higher than the sensitivity attained in conventional Bragg gratings sensors.

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Jonas H. Osório, Thiago H. R. Marques, Igor C. Figueredo, Valdir A. Serrão, Marcos A. R. Franco, and Cristiano M. B. Cordeiro "Optical sensing with antiresonant capillary fibers", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103233U (23 April 2017); https://doi.org/10.1117/12.2265350

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