Using a change in one or more properties of light in one or more microspheres for sensing chemicals such as explosives and poison gases
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United States of America Patent
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Issued Date -
Oct 7, 2004
app pub date -
Dec 12, 2003
filing date -
Dec 12, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Detecting and/or measuring a chemical substance, such as explosives or poison gases, using a change in a property of light passing through a microsphere of a sensor. Since the microsphere has a large quality factor, the sensor is extremely sensitive. The sensor includes the microsphere coupled with at least one optical fiber. The surface of the microsphere includes receptors complementary to the chemical substance.
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