Patents by Inventor Matias M. Schubert

Matias M. Schubert 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).

  • Terahertz-infrared ellipsometer system, and method of use
    Patent number: 8169611
    Abstract: The present invention relates to ellipsometer and polarimeter systems, and more particularly is an ellipsometer or polarimeter or the like system which operates in a frequency range between 300 GHz or lower and extending to higher than at least 1 Tera-hertz (THz), and preferably through the Infra-red (IR) range up to, and higher than 100 THz, including: a source such as a backward wave oscillator; a Smith-Purcell cell; a free electron laser, or an FTIR source and a solid state device; and a detector such as a Golay cell; a bolometer or a solid state detector; and preferably including at least one odd-bounce polarization state image rotating system, and optionally including a polarizer, at least one compensator and/or modulator, in addition to an analyzer.
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: May 1, 2012
    Assignees: University of Nebraska Board of Regents, J. A. Woollam Co., Inc.
    Inventors: Craig M. Herzinger, Matias M. Schubert, Tino Hofmann, Martin M. Liphardt, John A. Woollam