Direct measurement high resolution wide range extreme temperature optical sensor using an all-silicon carbide probe

    Authors

    M. Sheikh;N. A. Riza

    Comments

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    Abbreviated Journal Title

    Opt. Lett.

    Keywords

    Optics

    Abstract

    We propose and demonstrate a temperature sensing method using an all-silicon carbide probe that combines wavelength-tuned signal processing for coarse measurements and classical Fabry-Perot etalon peak shift for fine measurements. This method gives direct unambiguous temperature measurements with a high temperature resolution over a wide temperature range. Specifically, temperature measurements from room temperature to 1000 degrees C are experimentally demonstrated with an estimated resolution varying from 0.66 degrees C at room temperature to 0.12 degrees C at 1000 degrees C. The proposed sensor has applications in next-generation greener gas turbines for power production. (C) 2009 Optical Society of America

    Journal Title

    Optics Letters

    Volume

    34

    Issue/Number

    9

    Publication Date

    1-1-2009

    Document Type

    Article

    Language

    English

    First Page

    1402

    Last Page

    1404

    WOS Identifier

    WOS:000266475000037

    ISSN

    0146-9592

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