2 June 2014 Bent fused fiber taper intermodal interferometer as a refractive index sensor
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Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91574O (2014) https://doi.org/10.1117/12.2059132
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain
Abstract
In the present paper we study the response to surrounding refractive index (SRI) changes of bent fused fiber tapers. The core-cladding mode interference response occurs at particular bending angles and the refractometric response exhibits different sensitivities. The sensitivities greater than 3000 nm/r.i.u. for SRI (surrounding refractive index) larger than 1.43 and as high as 6000 nm/r.i.u. are reached for SRI above 1.44.
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T. Eftimov, W. J. Bock, E. Penchev, "Bent fused fiber taper intermodal interferometer as a refractive index sensor ", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91574O (2 June 2014); doi: 10.1117/12.2059132; https://doi.org/10.1117/12.2059132
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