image mapping spectrometer

Abstract

Devices and methods for hyperspectral and multispectral imaging are discussed. In particular, methods like mapping spectrometer systems, methods of use and fabrication are given. Generally speaking, an image mapping spectrometer includes an image mapping field unit, a spectral separation unit, and a selective imager. Image mapping spectrometers can be used for spectral imaging of optical samples. In some embodiments, the image-mapping field unit of the image-mapping spectrometer can be fabricated using surface-formed diamond tools.

Description

[0001] Cross Reference Related Applications [0002] This application claims the benefit of US Provisional Patent Application Serial No. 61 / 111,182, filed November 4, 2008, which application is incorporated herein by reference. Background technique [0003] A hyperspectral imager is a known device that is generally used to examine the spectral composition, or wavelength dependence, of an object or a scene. (A hyperspectral imager is also called an imaging spectrometer.) In a hyperspectral imager, light emitted or reflected by a given object or scene is imaged at the entrance of the spectrometer, which is usually an image of a single line transmitted through the object or scene. slit element. The spectrometer then reimages the light at another location where it can be readily observed or recorded while dispersing the light according to its wavelength in a direction perpendicular to the orientation of the slit element. In this way, the image of each line of the object or scene...

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