Method and apparatus for producing unique radiation spectra

Details Method and apparatus for producing unique radiation spectra Method and apparatus for producing unique radiation spectra

2005-08-16

2005-08-16

Evans, F. L. (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

With aperture mask

C362S002000

Reexamination Certificate

active

06930774

ABSTRACT:
Apparatus and methods are disclosed for providing a desired spectral intensity profile from a broadband light source. The apparatus comprises separation means for separating light provided by the broadband light source into radiation having a continuum of wavelengths; a blocking element having a first side and a second side, the first side having a two-dimensional surface with a desired blocking contour configured thereon, the blocking element positioned relative to the separation means so as to receive the radiation separated into the continuum of wavelengths onto the first side thereof and allow a portion of the radiation to pass from the first side to the second side, wherein the portion of the radiation conforms to the desired blocking contour; and recombination means for recombining the portion of the radiation conforming to the desired blocking contour into the desired spectral intensity profile.

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Deverse, R.A. et al., Application of Digital Micro-Mirror Arrays in Spectrometry and Imaging, published at www.threelc.com/PITT2002—files/slide0044.htm.

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