System and method for encoded spatio-spectral information processing
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United States of America Patent
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Feb 22, 2005
Grant Date -
May 16, 2002
app pub date -
Mar 1, 2001
filing date -
Apr 9, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Encoded spatio-spectral information processing is performed using a system having a radiation source, wavelength dispersion device and two-dimensional switching array, such as digital micro-mirror array (DMA). In one aspect, spectral components from a sample are dispersed in space and modulated separately by the switching array, each element of which may operate according to a predetermined encoding pattern. The encoded spectral components can then be detected and analyzed. In a different aspect, the switching array can be used to provide a controllable radiation source for illuminating a sample with radiation patterns that have predetermined characteristics and separately encoded components. Various applications are disclosed.
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