A Temperature-Insensitive Cladding-Etched Fiber Bragg Grating Using a Liquid Mixture with a Negative Thermo-Optic Coefficient

To compensate for the temperature dependency of a standard FBG, a cladding-etched FBG immersed with a liquid mixture having a negative thermo-optic coefficient is presented, and its characteristics are investigated. The Bragg wavelength of the cladding-etched FBG is shifted counter to the direction...

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Detalles Bibliográficos
Autores principales: Kim, Kwang Taek, Kim, In Soo, Lee, Cherl-Hee, Lee, Jonghun
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Molecular Diversity Preservation International (MDPI) 2012
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3436005/
https://www.ncbi.nlm.nih.gov/pubmed/22969376
http://dx.doi.org/10.3390/s120607886
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author Kim, Kwang Taek
Kim, In Soo
Lee, Cherl-Hee
Lee, Jonghun
author_facet Kim, Kwang Taek
Kim, In Soo
Lee, Cherl-Hee
Lee, Jonghun
author_sort Kim, Kwang Taek
collection PubMed
description To compensate for the temperature dependency of a standard FBG, a cladding-etched FBG immersed with a liquid mixture having a negative thermo-optic coefficient is presented, and its characteristics are investigated. The Bragg wavelength of the cladding-etched FBG is shifted counter to the direction of the Bragg wavelength shift of a conventional FBG according to the mixing ratio of glycerin to water; thus, the temperature-dependent Bragg wavelength shift was almost compensated by using a liquid mixture of water (50%) and glycerin (50%) having the negative thermo-optic coefficient of −5 × 10(−4) °C(−1).
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spelling pubmed-34360052012-09-11 A Temperature-Insensitive Cladding-Etched Fiber Bragg Grating Using a Liquid Mixture with a Negative Thermo-Optic Coefficient Kim, Kwang Taek Kim, In Soo Lee, Cherl-Hee Lee, Jonghun Sensors (Basel) Article To compensate for the temperature dependency of a standard FBG, a cladding-etched FBG immersed with a liquid mixture having a negative thermo-optic coefficient is presented, and its characteristics are investigated. The Bragg wavelength of the cladding-etched FBG is shifted counter to the direction of the Bragg wavelength shift of a conventional FBG according to the mixing ratio of glycerin to water; thus, the temperature-dependent Bragg wavelength shift was almost compensated by using a liquid mixture of water (50%) and glycerin (50%) having the negative thermo-optic coefficient of −5 × 10(−4) °C(−1). Molecular Diversity Preservation International (MDPI) 2012-06-08 /pmc/articles/PMC3436005/ /pubmed/22969376 http://dx.doi.org/10.3390/s120607886 Text en © 2012 by the authors; licensee MDPI, Basel, Switzerland This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
spellingShingle Article
Kim, Kwang Taek
Kim, In Soo
Lee, Cherl-Hee
Lee, Jonghun
A Temperature-Insensitive Cladding-Etched Fiber Bragg Grating Using a Liquid Mixture with a Negative Thermo-Optic Coefficient
title A Temperature-Insensitive Cladding-Etched Fiber Bragg Grating Using a Liquid Mixture with a Negative Thermo-Optic Coefficient
title_full A Temperature-Insensitive Cladding-Etched Fiber Bragg Grating Using a Liquid Mixture with a Negative Thermo-Optic Coefficient
title_fullStr A Temperature-Insensitive Cladding-Etched Fiber Bragg Grating Using a Liquid Mixture with a Negative Thermo-Optic Coefficient
title_full_unstemmed A Temperature-Insensitive Cladding-Etched Fiber Bragg Grating Using a Liquid Mixture with a Negative Thermo-Optic Coefficient
title_short A Temperature-Insensitive Cladding-Etched Fiber Bragg Grating Using a Liquid Mixture with a Negative Thermo-Optic Coefficient
title_sort temperature-insensitive cladding-etched fiber bragg grating using a liquid mixture with a negative thermo-optic coefficient
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3436005/
https://www.ncbi.nlm.nih.gov/pubmed/22969376
http://dx.doi.org/10.3390/s120607886
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