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Fiber-optic measurement of low hydrostatic pressure based on deformations induced in twisted nematic liquid crystal cells

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3 Author(s)
T. R. Wolinski ; Inst. of Phys., Warsaw Univ. of Technol., Poland ; A. Bogumil ; W. J. Bock

Development of a new fiber-optic method of hydrostatic pressure measurement based on pressure-induced deformations in twisted nematic liquid crystal cells is presented. The method, particularly suitable for pressures up to 2 MPa and utilizing strong rotatory power occurring in chiral nematic liquid crystals, offers high response to pressure with reduced temperature sensitivity

Published in:

IEEE Transactions on Instrumentation and Measurement  (Volume:44 ,  Issue: 3 )