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TIR IMAGING LENS, IMAGE CAPTURING SYSTEM HAVING THE SAME, AND ASSOCIATED METHODS

  • US 20150109456A1
  • Filed: 01/05/2015
  • Published: 04/23/2015
  • Est. Priority Date: 01/23/2012
  • Status: Abandoned Application
First Claim
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1. An imaging lens for use with an operational waveband over any subset of 7.5-13.5 μ

  • m, the imaging lens comprising;

    a silicon element having an image side surface and an object side surface, at least one of the image side and object side surfaces being an optically powered surface with a lens having a surface finish with a roughness of less than 20 nm Ra.

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