Blanking standard for non-invasive optical measurement
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United States of America Patent
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N/A
Issued Date -
Jan 16, 2003
app pub date -
Oct 3, 2001
filing date -
Jul 11, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In accordance with one embodiment there is provided a method of providing a known spectrum to a noninvasive optical detection system of the type having a window for receiving infrared energy. The method comprises affixing a standard to the window. The standard comprises a body formed from a material having known and stable spectral properties. The method further comprises placing at least a portion of the body directly against the window, and operating the optical detection system to detect an emission spectrum of the body. In accordance with another embodiment an infrared spectrometer comprises a window for receiving infrared energy. The window has an exposed surface. The infrared spectrometer further comprises a standard comprising a body formed of a material having known and stable spectral properties. At least part of the body is removably disposed directly against the exposed surface of the window.
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