Compact hyperspectral imager

Details Compact hyperspectral imager Compact hyperspectral imager

2007-04-03

2007-04-03

Toatley, Jr., Gregory J. (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

C356S326000

Reexamination Certificate

active

10750014

ABSTRACT:
A hyperspectral imager including a first optical sub-system, at least one slit element, a second optical sub-system, at least one reflective dispersive element located at a center plane, and at least one detecting element located at substantially an image surface. During operation, the first optical sub-system images, onto the slit element(s), electromagnetic radiation originating at a source. The second optical sub-system substantially collimates, at a center plane, electromagnetic radiation emanating from the slit element(s). The second optical sub-system also images, onto the image surface, the electromagnetic radiation reflected from the reflective dispersive element(s). The detecting element(s) detect the dispersed electromagnetic radiation reflected from the reflective dispersive element(s).

REFERENCES:
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patent: 2003/0184748 (2003-10-01), McCarthy
NASA Contract No. NAS 7-918 Technical Support Package on “Low Distortion Imaging Spectrometers” for NASA Tech Brief, vol. 23, No. 3, Mar. 1999.
U.S. Appl. No. 60/437,629 filed Dec. 31, 2002. Applicant: Thomas A. Mitchell. Title: Compact Hyperspectral Imager.

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