GAS SENSOR
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United States of America Patent
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Issued Date -
Oct 13, 2016
app pub date -
Dec 1, 2014
filing date -
Dec 2, 2013
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Abstract
The present invention relates to gas sensors, in particular, to an optical fibre sensor for measuring the presence and/or quantity of one of more gasses, the gas sensor comprising an optical fibre, and a gas sensitive detection material at a portion of the surface of the optical fibre, said gas sensitive detection material comprising a gas sensitive reactant and a porous matrix, wherein the gas sensitive detection material undergoes a reversible change of reflectance and/or absorbance at a detection wavelength when subjected to a gas to be detected.
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