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http://hdl.handle.net/10773/35720
Title: | Double antiresonance fiber sensor for the simultaneous measurement of curvature and temperature |
Author: | Pereira, Diana Bierlich, Jörg Kobelke, Jens Ferreira, Marta S. |
Keywords: | Optical Fibers Temperature Transducers Fiber Optic Technology Refractometry |
Issue Date: | 23-Nov-2021 |
Publisher: | MDPI |
Abstract: | Antiresonant hollow core fibers (ARHCFs) have gained some attention due to their notoriously attractive characteristics on managing optical properties. In this work, an inline optical fiber sensor based on a hollow square core fiber (HSCF) is proposed. The sensor presents double antiresonance (AR), namely an internal AR and an external AR. The sensor was designed in a transmission configuration, where the sensing head was spliced between two single mode fibers (SMFs). A simulation was carried out to predict the behaviors of both resonances, and revealed a good agreement with the experimental observations and the theoretical model. The HSCF sensor presented curvature sensitivities of -0.22 nm/m-1 and -0.90 nm/m-1, in a curvature range of 0 m-1 to 1.87 m-1, and temperature sensitivities of 21.7 pm/°C and 16.6 pm/°C, in a temperature range of 50 °C to 500 °C, regarding the external resonance and internal resonance, respectively. The proposed sensor is promising for the implementation of several applications where simultaneous measurement of curvature and temperature are required. |
Peer review: | yes |
URI: | http://hdl.handle.net/10773/35720 |
DOI: | 10.3390/s21237778 |
ISSN: | 1424-3210 |
Appears in Collections: | DFis - Artigos I3N-FSCOSD - Artigos |
Files in This Item:
File | Description | Size | Format | |
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2021_PEREIRA_Double antiresonance fiber sensor for the simultaneous measurement of curvature and temperature.pdf | 4.4 MB | Adobe PDF | View/Open |
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