Liquid crystal long-period fiber grating as a sensing element for electric field and temperature measurements

Aleksandra Czapla , Wojtek J. Bock , Tomasz Woliński , Roman Dąbrowski , Edward Nowinowski-Kruszelnicki

Abstract

The main goal of the presented work is to integrate a long-period fiber grating (LPFG) and liquid crystal (LC) material into a hybrid structure, called an LC-LPFG, in order to develop innovative devices for sensing physical quantities. For this purpose we used specially designed low-birefringence LC mixtures whose ordinary refractive index is lower than that of silica in a certain range of temperatures. This combination allowed us to dynamically change the propagation properties of the cladding modes in the LC-LPFGs by varying the temperature and the electric field. This design of LC-LPFGs exhibits extraordinary sensing properties.
Author Aleksandra Czapla - [Universite du Quebec en Outaouais]
Aleksandra Czapla,,
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, Wojtek J. Bock - [Universite du Quebec en Outaouais]
Wojtek J. Bock,,
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, Tomasz Woliński (FP / OPD)
Tomasz Woliński,,
- Optics and Photonics Division
, Roman Dąbrowski - [Wojskowa Akademia Techniczna]
Roman Dąbrowski,,
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, Edward Nowinowski-Kruszelnicki - [Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego (WAT)]
Edward Nowinowski-Kruszelnicki,,
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- Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
Journal series
Issue year2011
Pages77536L-77536L
DOIDOI:10.1117/12.887546
URL http://dx.doi.org/10.1117/12.887546
Score (nominal)0
Score sourcejournalList
Publication indicators Scopus Citations = 0; WoS Citations = 0
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