Patents by Inventor Sam Rubin

Sam Rubin 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).

  • Depolarizers and methods of making thereof
    Patent number: 9599834
    Abstract: A depolarizer, including: a photoalignment layer deposited on the substrate; and a birefringent layer deposited on the photoalignment layer; wherein the photoalignment layer includes a plurality of segments, each segment with a different fast axis orientation and a different pretilt angle, such that each segment of the birefringent layer over the corresponding segment of the photoalignment layer has a different fast axis angle and a different birefringent value.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: March 21, 2017
    Assignee: Thorlabs, Inc.
    Inventors: Lichao Zhang, Sam Rubin, Cary Zhang
  • DEPOLARIZERS AND METHODS OF MAKING THEREOF
    Publication number: 20160077352
    Abstract: A depolarizer, including: a photoalignment layer deposited on the substrate; and a birefringent layer deposited on the photoalignment layer; wherein the photoalignment layer includes a plurality of segments, each segment with a different fast axis orientation and a different pretilt angle, such that each segment of the birefringent layer over the corresponding segment of the photoalignment layer has a different fast axis angle and a different birefringent value.
    Type: Application
    Filed: September 11, 2015
    Publication date: March 17, 2016
    Inventors: Lichao Zhang, Sam Rubin, Carry Zhang