Improving the electric field sensing capabilities of the long-period fiber grating coated with a liquid crystal layer

Aleksandra Czapla , Wojtek J. Bock , Tomasz Woliński , P. Mikulic , E Nowinowski-Kruszelnicki , R. Dabrowski


The hybrid liquid crystal long-period fiber grating structure presented here uses the 1702 liquid crystal as a thin layer on the bare longperiod fiber grating. To achieve the highest long-period fiber grating sensitivity to the liquid crystal layer presence, a UV-induced host grating, with a relatively short period of 226.8 um, was chosen. This design makes it possible to couple light from the propagating core mode to a cladding mode at a wavelength near the phase-matching turning point. This phenomenon is exploited here for the first time to measure the thermal and electric field responses of the liquid crystal long-period fiber grating structure. All experimental results achieved in this work are supported by theoretical analysis. © 2016 Optical Society of America.
Author Aleksandra Czapla
Aleksandra Czapla,,
, Wojtek J. Bock - [Universite du Quebec en Outaouais]
Wojtek J. Bock,,
, Tomasz Woliński (FP / OPD)
Tomasz Woliński,,
- Optics and Photonics Division
, P. Mikulic - [Universite du Quebec en Outaouais]
P. Mikulic,,
, E Nowinowski-Kruszelnicki - [Warsaw University of Technology (PW)]
E Nowinowski-Kruszelnicki,,
- Politechnika Warszawska
, R. Dabrowski - [Politechnika Warszawska]
R. Dabrowski,,
Journal seriesOptics Express, ISSN 1094-4087, []
Issue year2016
Publication size in sheets0.55
Keywords in EnglishCrystal structure; Electric fields; Fibers; Liquid crystals; Liquids; Phase matching, Cladding modes; Electric field response; Electric field sensing; Liquid crystal layers; Long period fiber grating; Phase-matching turning points; Short periods; Thin layers, Diffraction gratings
ASJC Classification3107 Atomic and Molecular Physics, and Optics
Languageen angielski
Score (nominal)45
Score sourcejournalList
ScoreMinisterial score = 40.0, 08-03-2020, ArticleFromJournal
Ministerial score (2013-2016) = 45.0, 08-03-2020, ArticleFromJournal
Publication indicators Scopus Citations = 7; WoS Citations = 9; GS Citations = 10.0; Scopus SNIP (Source Normalised Impact per Paper): 2016 = 1.544; WoS Impact Factor: 2016 = 3.307 (2) - 2016=3.436 (5)
Citation count*10 (2020-08-22)
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