Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/10360
Title: Implementation of long-perıod fiber gratings for refractive index measurement of liquids
Authors: İde, Cansu
Aldoğan, Kıvılcım Yüksel
Keywords: Fiber optic sensor
Long-period fiber grating
Refractive index measurement
Issue Date: 2018
Publisher: Eskişehir Teknik Üniversitesi
Abstract: Refractive index (RI) is one of the optical parameters that is of paramount interest in characterizing liquid solutions and solvents. Increased public awareness and legal requirements for quality standards in different sectors have created a need for reliable, fast, automated, remote and/or portable refractive index sensors with multi-measurement capability. The fiber-based RI sensors are very good candidates in providing attractive solutions in such application areas and have been attracting a growing interest by the scientific community. In this work, a fiber optic refractive index sensor has been investigated. It uses a long-period fiber grating (LPFG) and an Optical Spectrum Analyzer (OSA), as sensor head and interrogator unit, respectively. New measurements of refractive indices of common solvents and solutions at the low-loss telecom wavelength band have been successfully demonstrated by using the proposed sensor. The reported measurement results are in excellent agreement with our simulation results and reference measurements realized by conventional measurement techniques.
URI: https://doi.org/10.18038/aubtda.413304
https://hdl.handle.net/11147/10360
https://search.trdizin.gov.tr/yayin/detay/326918
ISSN: 1302-3160
2667-4211
Appears in Collections:Electrical - Electronic Engineering / Elektrik - Elektronik Mühendisliği
TR Dizin İndeksli Yayınlar / TR Dizin Indexed Publications Collection

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