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Optical Engineering

Polarimetric temperature sensor: extinction ratio and sensing length examination
Author(s): Miha Zavrsnik; Denis Donlagic; Dali Donlagic
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Paper Abstract

We theoretically and experimentally investigated the influences of the sensing and lead fiber length, the extinction ratio of the input polarizer, and the coherence properties of the light source on polarimetric temperature measurements. We have shown that there is a possibility to construct a simple and inexpensive fiber optic polarimetric thermometer for absolute temperature measurements by using a low extinction-ratio polarizer and a low-coherence source. An experimental temperature sensor for absolute temperature measurement that works in the range from 20 to 60°C has been produced.

Paper Details

Date Published: 1 November 1997
PDF: 6 pages
Opt. Eng. 36(11) doi: 10.1117/1.601558
Published in: Optical Engineering Volume 36, Issue 11
Show Author Affiliations
Miha Zavrsnik, Univ. of Maribor (Germany)
Denis Donlagic, Univ. of Maribor (Slovenia)
Dali Donlagic, Univ. of Maribor (Slovenia)


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