Patents by Inventor Dimitri Chekulaev

Dimitri Chekulaev 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).

  • Optical absorber
    Patent number: 9594265
    Abstract: The invention relates to an optical absorber comprising a semiconductor micro or nano scale structured array configured for transmission of electromagnetic (EM) radiation when in a passive state and for absorption and/or reflection of electromagnetic (EM) radiation when in an active state. The absorber also includes an activator arranged to inject free carriers into the structured array to activate said array on demand.
    Type: Grant
    Filed: November 11, 2013
    Date of Patent: March 14, 2017
    Assignee: The University of Birmingham
    Inventors: Andrey Kaplan, Dimitri Chekulaev
  • Optical Absorber
    Publication number: 20150301361
    Abstract: The invention relates to an optical absorber comprising a semiconductor micro or nano scale structured array configured for transmission of electromagnetic (EM) radiation when in a passive state and for absorption and/or reflection of electromagnetic (EM) radiation when in an active state. The absorber also includes an activator arranged to inject free carriers into the structured array to activate said array on demand.
    Type: Application
    Filed: November 11, 2013
    Publication date: October 22, 2015
    Inventors: Andrey Kaplan, Dimitri Chekulaev