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17 October 2012 Multimode interference in tapered single mode-multimode-single mode fiber structures for strain sensing applications
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Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84213B (2012) https://doi.org/10.1117/12.975167
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China
Abstract
Tapering single mode-multimode-single mode structures to enhance sensitivity is proposed and experimentally demonstrated. 50 mm-long coreless MMF sections are spliced between SMFs and tapered. They are characterized in strain and an increase in strain sensitivity is obtained with taper diameter reduction. Sensitivities as high as -23.69 pm/με for the 15 μm taper are attained. A combination of an untapered and tapered SMS is proposed as a sensing system for the simultaneous measurement of strain and temperature.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ricardo M. André, Claudecir R. Biazoli, Susana O. Silva, Manuel B. Marques, Cristiano M. B. Cordeiro, and Orlando Frazão "Multimode interference in tapered single mode-multimode-single mode fiber structures for strain sensing applications", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84213B (17 October 2012); https://doi.org/10.1117/12.975167
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