Patents by Inventor Mane-Si Lee

Mane-Si Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Binary type diffractive optical elements for wide spectral band use
    Publication number: 20070103782
    Abstract: A binary type diffractive optical element for scalar optics uses a composite artificial material comprising, in a first portion Ma1, microstructures according to a first geometry for which the effective index decreases with the fill factor and, in a second portion Ma2, microstructures according to a second geometry for which the effective index increases with the fill factor. In one example, a composite artificial material is thus formed by hole type microstructures over a first portion, the smallest hole giving the maximum effective index value of said composite artificial material, and pillar type microstructures, the smallest pillar giving the minimum effective index value of said composite artificial material.
    Type: Application
    Filed: October 14, 2004
    Publication date: May 10, 2007
    Inventors: Mane-Si Lee, Philippe Lalanne, Andrew Wood, Christophe Sauvan