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Proceedings Paper

Bandgap tuning through material anisotropy as a novel physical mechanism for liquid crystal filled photonic crystal fiber sensors
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Paper Abstract

Bandgap guidance in photonic crystal fibers (PCF) is strongly selective spectrally and in this sense resembles guidance in fibers with Bragg gratings. The photonic band-edge shifts when the optical properties of the material in the fiber are affected by external factors such as strain, temperature, pressure, static fields, chemical vapour penetration etc. This analogy allows for the development of optical sensors with similar principle of operation as fibers with Bragg gratings, however with novel sensing characteristics. Here we study theoretically PCF filled with LC when material anisotropy plays a strong role in the creation of the bandgap.

Paper Details

Date Published: 23 May 2005
PDF: 4 pages
Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); doi: 10.1117/12.623500
Show Author Affiliations
Rafal Kotynski, Vrije Univ. Brussel (Belgium)
Warsaw Univ. (Poland)
M. K. Antkowiak, Vrije Univ. Brussel (Belgium)
SCK-CEN, Belgian Nuclear Research Ctr. (Belgium)
Hugo Thienpont, Vrije Univ. Brussel (Belgium)
K. Panajotov, Vrije Univ. Brussel (Belgium)
Institute of Solid State Physics (Bulgaria)

Published in SPIE Proceedings Vol. 5855:
17th International Conference on Optical Fibre Sensors
Marc Voet; Reinhardt Willsch; Wolfgang Ecke; Julian Jones; Brian Culshaw, Editor(s)

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