Fiber optic liquid crystalline hydrostatic pressure sensor with gradient-index rod lenses

Tomasz R. Wolinski; Leszek Rafal Staronski; Aleksandra Jarmolik; Andrzej W. Domanski

doi:10.1117/12.195529

30 November 1994 Fiber optic liquid crystalline hydrostatic pressure sensor with gradient-index rod lenses

Tomasz R. Wolinski, Leszek Rafal Staronski, Aleksandra Jarmolik, Andrzej W. Domanski

Proceedings Volume 2341, Interferometry '94: Interferometric Fiber Sensing; (1994) https://doi.org/10.1117/12.195529
Event: International Conference on Interferometry '94, 1994, Warsaw, Poland

Abstract

A further development of the fiber optic hydrostatic pressure sensor with a liquid crystal film acting as a sensing element is presented. To enhance the amount of the optical signal entering the liquid crystal optrode gradient index (GRIN) rod lenses have been used in the pressure environment. The paper discusses the effect of stress induced birefringence in a GRIN lens, its influence on defocusing phenomena under pressure and the optimized configuration of the fiber optic liquid crystal sensor preset for a required range of pressure.

Citation Download Citation

Tomasz R. Wolinski, Leszek Rafal Staronski, Aleksandra Jarmolik, and Andrzej W. Domanski "Fiber optic liquid crystalline hydrostatic pressure sensor with gradient-index rod lenses", Proc. SPIE 2341, Interferometry '94: Interferometric Fiber Sensing, (30 November 1994); https://doi.org/10.1117/12.195529

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