Imaging zoom for wide field-of-view imaging spectrometer
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United States of America Patent
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Dec 16, 2014
Grant Date -
Aug 21, 2014
app pub date -
Jul 26, 2012
filing date -
Jul 26, 2012
priority date (Note) -
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Abstract
An imaging system comprises a wide field of view (FOV) telescope, a narrow FOV telescope, a spectrometer, an imaging detector, an image slicer, and a selection mechanism. The wide FOV telescope is configured to produce a one-dimensional optical image of a broad field of view (FOV) F. The narrow FOV telescope is configured to produce a two-dimensional optical image of a narrow FOV f. The spectrometer is configured to produce a spectrum of a one-dimensional image, and the imaging detector is configured to capture that spectrum. The image slicer is configured to break the two-dimensional optical image into a series of one-dimensional segments. The selection mechanism operable in either of two modes: a wide FOV mode transmitting the one-dimensional optical image to the spectrometer, and a zoom mode transmitting a one-dimensional concatenation of the series of one-dimensional segments to the spectrometer.
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