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OPTICAL ELEMENT AND METHOD OF MANUFACTURING OPTICAL ELEMENT

  • US 20070201135A1
  • Filed: 02/21/2007
  • Published: 08/30/2007
  • Est. Priority Date: 02/28/2006
  • Status: Active Grant
First Claim
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1. An optical element comprising:

  • a substrate, anda first layer and a second layer formed on the substrate,wherein each of the first layer and the second layer comprises a repetition structure of spaces and structural parts at a pitch equal to or less than a wavelength of visible light in a vertical direction to a stack direction of the layers, andwherein, the repetition structure of the first layer and the repetition structure of the second layer overlap at an interface between the first layer and the second layer, in the stack direction of the layers.

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