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Multilayer reflector with suppression of high order reflections

  • US 7,019,905 B2
  • Filed: 12/30/2003
  • Issued: 03/28/2006
  • Est. Priority Date: 12/30/2003
  • Status: Active Grant
First Claim
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1. A multilayer reflective film comprising a plurality of six-layer optical repeat units each comprising individual layers A, B, C, D arranged in a six-layer sequence CACDBD), or a cyclic permutation thereof, the A and B layers being optically thicker than the C and D layers, and where the individual layers have refractive indices that satisfy the relationship nA

  • nD>

    nC>

    nB or the relationship nA>

    nD>

    nC

    nB.

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