Apparatus configured for identification of a material and method of identifying a material
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United States of America Patent
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May 1, 2001
Grant Date -
N/A
app pub date -
Dec 3, 1998
filing date -
Dec 3, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to an apparatus configured for identification of a material and method of identifying a material. One embodiment of the present invention provides an apparatus configured for identification of a material including a first region configured to receive a first sample and output a first spectrum responsive to exposure of the first sample to radiation; a signal generator configured to provide a reference signal having a reference frequency and a modulation signal having a modulation frequency; a modulator configured to selectively modulate the first spectrum using the modulation signal according to the reference frequency; a second region configured to receive a second sample and output a second spectrum responsive to exposure of the second sample to the first spectrum; and a detector configured to detect the second spectrum.
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