Devices and method for spectral measurements

Optics: measuring and testing – By dispersed light spectroscopy – With aperture mask

Reexamination Certificate

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C356S330000

Reexamination Certificate

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11243054

ABSTRACT:
A spectral measurement device comprising an entrance aperture for receiving an electromagnetic energy and a mask located at the entrance aperture in the form of a two-dimensional encodement pattern. An optical element conditions the electromagnetic energy received from the mask for presentation to the spectral dispersion element and the and a spectral dispersion element disperses the electromagnetic energy in one or more dimensions. Additionally, the optical element conditions the dispersed electromagnetic energy onto an array of detector elements.

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