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Proceedings Paper

Fiber optic liquid crystal devices for pressure sensing
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Paper Abstract

An original idea of hydrostatic pressure monitoring is presented. The paper reports latest result of liquid crystal-based fiber optic devices for hydrostatic pressure sensing in both low pressure and high pressure regions. In the low-pressure region, the fiber optic transducer based on properties of colorimetry employs pressure-induced deformations occurring in liquid crystalline cells, configured in a homogenous Frederiks geometry. However, in the high pressure region we propose another approach based on a liquid crystal-core anisotropic fiber acting as a sensing medium due to pressure-induced changes in its birefringence. These fibers unite the unique advantages of liquid crystals and quality of fiber technology that can be used for instant pressure monitoring.

Paper Details

Date Published: 13 August 1998
PDF: 7 pages
Proc. SPIE 3555, Optical and Fiber Optic Sensor Systems, (13 August 1998); doi: 10.1117/12.318213
Show Author Affiliations
Tomasz R. Wolinski, Warsaw Univ. of Technology (Poland)
Tomasz Nasilowski, Warsaw Univ. of Technology (Belgium)
Waldemar K. Bajdecki, Warsaw Univ. of Technology (Poland)
Andrzej W. Domanski, Warsaw Univ. of Technology (Poland)
Miroslaw A. Karpierz, Warsaw Univ. of Technology (Poland)
Marek Wojciech Sierakowski, Warsaw Univ. of Technology (Poland)
Agnieszka Szymanska, Warsaw Univ. of Technology (Poland)
Jan Wojcik, Maria Curie-Sklodowska Univ. (Poland)

Published in SPIE Proceedings Vol. 3555:
Optical and Fiber Optic Sensor Systems
Shanglian Huang; Kim D. Bennett; David A. Jackson, Editor(s)

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