Theoretical and experimental study of refractive index sensors based on etched fiber Bragg gratings.

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Title: Theoretical and experimental study of refractive index sensors based on etched fiber Bragg gratings.
Authors: Tsigaridas, G.1,2,3 georgios.tsigaridas@gmail.com, Polyzos, D.1,2, Ioannou, A.4, Fakis, M.1, Persephonis, P.1
Source: Sensors & Actuators A: Physical. Mar2014, Vol. 209, p9-15. 7p.
Subjects: Refractive index, Detectors, Fiber Bragg gratings, Metal etching, Performance evaluation, Numerical calculations
Abstract: Highlights: [•] The performance of etched FBGs as refractive index sensors is studied both theoretically and experimentally. [•] The etching process is modeled and analytic expressions for the heating and etching rates are provided. [•] The etched FBGs are utilized as liquid level sensors for liquids with lower and higher RI than that of the fiber core. [•] In both cases, analytic expressions are provided which enable the direct calculation of the submersion length. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:Highlights: [•] The performance of etched FBGs as refractive index sensors is studied both theoretically and experimentally. [•] The etching process is modeled and analytic expressions for the heating and etching rates are provided. [•] The etched FBGs are utilized as liquid level sensors for liquids with lower and higher RI than that of the fiber core. [•] In both cases, analytic expressions are provided which enable the direct calculation of the submersion length. [ABSTRACT FROM AUTHOR]
ISSN:09244247
DOI:10.1016/j.sna.2014.01.007