Fiber optic CO.sub.2 sensor
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United States of America Patent
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Jul 24, 1990
Issued Date -
N/A
app pub date -
Jun 23, 1986
filing date -
Jun 21, 1985
priority date (Note) -
Expired
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Abstract
A fiber-optic probe for measuring the partial pressure of CO.sub.2 in a medium includes a single optical fiber having a distal end; a mirror; a hydrolyzed dye/gel polymer, the dye being in contact with a bicarbonate solution; a solution permeable membrane covering the fiber distal end, hydrogel and mirror; and a gas-permeable membrane covering the solution permeable membrane.
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