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Proceedings Paper

High-temperature, highly accurate fiber optic liquid-level sensor
Author(s): Anbo Wang; Michael F. Gunther; Kent A. Murphy; Richard O. Claus
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Paper Abstract

A novel intensity-based liquid level sensor which operates up to 300 degree(s)C is described in this paper. Liquid level measurements for different liquids with refractive index ranging from 1.33 to 1.635 have been obtained with extinction ratios between 20 dB and 39 dB. Measurement hysteresis for measurement of lubricate oil was 0.175 mm.

Paper Details

Date Published: 9 February 1993
PDF: 5 pages
Proc. SPIE 1799, Specialty Fiber Optic Systems for Mobile Platforms and Plastic Optical Fibers, (9 February 1993); doi: 10.1117/12.141352
Show Author Affiliations
Anbo Wang, Virginia Polytechnic Institute and State Univ. (United States)
Michael F. Gunther, Virginia Polytechnic Institute and State Univ. (United States)
Kent A. Murphy, Virginia Polytechnic Institute and State Univ. (United States)
Richard O. Claus, Virginia Polytechnic Institute and State Univ. (United States)


Published in SPIE Proceedings Vol. 1799:
Specialty Fiber Optic Systems for Mobile Platforms and Plastic Optical Fibers
Luis Figueroa; Mototaka Kitazawa; Norris E. Lewis; Robert E. Steele; Deepak Varshneya, Editor(s)

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