Fiber optic CO.sub.2 sensor

Details Fiber optic CO.sub.2 sensor Fiber optic CO.sub.2 sensor

1986-06-23

1990-07-24

Schofer, Joseph L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204433, G01N 2726

Patent

active

049433644

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.

REFERENCES:
patent: 4194877 (1980-03-01), Peterson

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