Encoder spectrograph and modulator for use therewith

Details Encoder spectrograph and modulator for use therewith Encoder spectrograph and modulator for use therewith

2008-09-09

2008-09-09

Evans, F. L (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

With aperture mask

C356S328000, C356S330000

Reexamination Certificate

active

11833886

ABSTRACT:
An encoder spectrograph is used to analyze radiation from one or more samples in various configurations. The radiation is analyzed by spatially modulating the radiation after it has been dispersed by wavelength or imaged along a line. Dual encoder spectrographs may be used to encode radiation using a single modulator. An encoder spectrograph includes a modulator with radiation filters having non-equal widths and centered at non-equal intervals along the encoding axis of the modulator.

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