Multi-Spectral Sensor System Comprising a Plurality of Buttable Focal Plane Arrays
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United States of America Patent
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Issued Date -
Apr 24, 2014
app pub date -
Oct 19, 2012
filing date -
Oct 19, 2012
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Abandoned
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Abstract
A multi-spectral sensor assembly having a plurality of mosaics of four-side buttable focal plane arrays in which each mosaic array is responsive to a different range of the electromagnetic spectrum. The scene image is received through a baffled solar shade to a beam-splitting element which transmits a first portion of the received image in a first electromagnetic spectrum to a short wave infrared (SWIR) buttable focal plane array detector element. The beam-splitting element transmits a second portion of the received image in a second electromagnetic spectrum to a mid-wave infrared (MWIR) buttable focal plane array detector element by means of a folding mirror. The first and second portions of the received image are passed through a filter wheel having multiple selectable optical filters to provide a multi-spectral imaging system.
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