Diamond-like carbon thin film for tuned high sensitivity etched fiber Bragg grating refractometer

Bruno Rente; Carmem Lúcia Barbosa; Valdir Augusto Serrão; Marcos A. R. Franco; Regina Allil; Sérgio S. Camargo Jr.; Marcelo Werneck

doi:10.1117/12.2194469

28 September 2015 Diamond-like carbon thin film for tuned high sensitivity etched fiber Bragg grating refractometer

Bruno Rente, Carmem Lúcia Barbosa, Valdir Augusto Serrão, Marcos A. R. Franco, Regina Allil, Sérgio S. Camargo Jr., Marcelo Werneck

Author Affiliations +

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96345R (2015) https://doi.org/10.1117/12.2194469
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

Deposition of thin diamond-like carbon films in etched fiber Bragg gratings as substrate was used to increase the sensitivity of a fiber Bragg grating refractometer. The nanometric film was also used for tuning the sensitivity to a maximum for a desired application of liquid refractive index measurement. Simulation and experiments were performed in order to understand the light propagation inside the modified optical fiber and its effects in the refractometry measurements.

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Bruno Rente, Carmem Lúcia Barbosa, Valdir Augusto Serrão, Marcos A. R. Franco, Regina Allil, Sérgio S. Camargo Jr., and Marcelo Werneck "Diamond-like carbon thin film for tuned high sensitivity etched fiber Bragg grating refractometer", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96345R (28 September 2015); https://doi.org/10.1117/12.2194469

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