Method for determining and displaying the spacial distribution of a spectral pattern of received light
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United States of America Patent
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Jul 23, 1996
Issued Date -
N/A
app pub date -
Jun 6, 1995
filing date -
Sep 13, 1993
priority date (Note) -
Expired
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Abstract
An imaging Fourier transform spectrometer (10, 210) having a Fourier transform infrared spectrometer (12) providing a series of images (40) to a focal plane array camera (38). The focal plane array camera (38) is clocked to a multiple of zero crossing occurrences as caused by a moving mirror (18) of the Fourier transform infrared spectrometer (12) and as detected by a laser detector (50) such that the frame capture rate of the focal plane array camera (38) corresponds to a multiple of the zero crossing rate of the Fourier transform infrared spectrometer (12). The images (40) are transmitted to a computer (45) for processing such that representations of the images (40) as viewed in the light of an arbitrary spectral 'fingerprint' pattern can be displayed on a monitor (60) or otherwise stored and manipulated by the computer (45).
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