Infrared sensor with multiple sources for gas measurement
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United States of America Patent
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Jul 22, 2014
Grant Date -
Mar 28, 2013
app pub date -
Sep 23, 2011
filing date -
Sep 23, 2011
priority date (Note) -
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Abstract
A closed path infrared sensor includes an enclosure, a first energy source within the enclosure, at least a second energy source within the enclosure, at least one detector system within the enclosure and a mirror system external to the enclosure and spaced from the enclosure. The mirror system reflects energy from the first energy source to the at least one detector system via a first analytical path and reflects energy from the second energy source to the at least one detector system via a second analytical path. Each of the first analytical path and the second analytical path are less than two feet in length.
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