Optical disk based gas-sensing and storage device
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United States of America Patent
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N/A
Issued Date -
Sep 29, 2005
app pub date -
Mar 23, 2004
filing date -
Mar 23, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An optical disk based gas-sensing and storage system for sensing toxic gas species or environmental contaminants and recording such events on an optical data storage disk. The system includes a gas-retaining unit having an internal cavity for retaining a gaseous sample potentially comprising a gas species of interest, an optical storage disk arranged for contact with the gaseous sample in the gas-retaining unit, wherein the optical data storage disk includes a gas-sensing medium that exhibits a physical and/or chemical property change when exposed to the gas species of interest thereby generating optically readable signals, and a laser energy source positioned to irradiate the optical data storage disk to detect and/or enhance changes in chemical and/or physical properties of the gas-sensing medium and record optically readable signals.
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