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Multicolor radiation detector method and apparatus

  • US 5,444,236 A
  • Filed: 03/09/1994
  • Issued: 08/22/1995
  • Est. Priority Date: 03/09/1994
  • Status: Expired due to Fees
First Claim
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1. A multicolor radiation detecting apparatus comprising:

  • (a) a base having a lens mount and a radiation sensor mount;

    (b) a dispersive lens means for focusing radiation of a first selected band at a first focus and focusing radiation of a second selected band at a second focus, wherein the dispersive lens means is attached to the lens mount, wherein the dispersive lens means further has a central obscuration of a predetermined size, and wherein the central obscuration passes radiation of the first selected band;

    (c) a radiation sensor means for detecting an image attached to the radiation sensor mount at a predetermined distance from the dispersive lens means disposed to receive radiation of the first selected band and the second selected band, wherein the radiation sensor means further has an image output; and

    (d) spatial filter processing means for spatially filtering the image connected to the image output.

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