Reservoir fiber optic chemical sensors
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United States of America Patent
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-
Jan 9, 1990
Grant Date -
N/A
app pub date -
Feb 17, 1989
filing date -
Feb 17, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A reservoir fiber optic chemical sensor (FOCS) is formed of a modular cell body. A fiber optic is attached using a quick connect standard fiber optic connector. A semipermeable membrane is attached at the opposite end of the cell body using a quick attach membrane retainer. Multiple sensors can be made uniformly. Specific sensors for TCE vapor, O.sub.2 and CO.sub.2 are produced by utilizing a suitable reaction chemistry in the cell. A non-imaging optical focusing element can be included in the cell to increase sensitivity. A reaction cell can be placed adjacent to the reservoir cell with the semi-permeable membrane separating the two cells to produce a photolysis FOCS. TOC and TOCl can be detected with the photolysis FOCS.
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