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Proceedings Paper

Bent fused fiber taper intermodal interferometer as a refractive index sensor
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Paper 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.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91574O (2 June 2014); doi: 10.1117/12.2059132
Show Author Affiliations
T. Eftimov, Plovdiv Univ. (Bulgaria)
W. J. Bock, Univ. du Québec en Outaouais (Canada)
E. Penchev, Univ. of Food Technologies (Bulgaria)


Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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