Patents by Inventor Kelly W. Mauser

Kelly W. Mauser 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).

  • Electrically tunable metasurfaces incorporating a phase change material
    Patent number: 11662504
    Abstract: Electrically tunable metasurfaces including an array of subwavelength metasurface unit elements are presented. The unit elements include a stacked metal-insulator-metal structure within which an active phase change layer is included. A purely insulator, metal, or coexisting metal-insulator phase of the active layer can be electrically controlled to tune an amplitude and phase response of the metasurfaces. In combination with the subwavelengths dimensions of the unit elements, the phase and amplitude response can be controlled in a range from optical wavelengths to millimeter wavelength of incident light. Electrical control of the unit elements can be provided via resistive heating produced by flow of current though a top metal layer of the unit elements. Alternatively, electrical control of the unit elements can be provided via electrical field effect produced by applying a voltage differential between the top and bottom metal layers of the unit elements.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: May 30, 2023
    Assignee: CALIFORNIA INSTITUTE OF TECHNOLOGY
    Inventors: Yonghwi Kim, Pin Chieh Wu, Ruzan Sokhoyan, Kelly W Mauser, Rebecca D Glaudell, Ghazaleh Kafaie Shirmanesh, Harry A Atwater
  • Electrically Tunable Metasurfaces Incorporating A Phase Change Material
    Publication number: 20200227632
    Abstract: Electrically tunable metasurfaces including an array of subwavelength metasurface unit elements are presented. The unit elements include a stacked metal-insulator-metal structure within which an active phase change layer is included. A purely insulator, metal, or coexisting metal-insulator phase of the active layer can be electrically controlled to tune an amplitude and phase response of the metasurfaces. In combination with the subwavelengths dimensions of the unit elements, the phase and amplitude response can be controlled in a range from optical wavelengths to millimeter wavelength of incident light. Electrical control of the unit elements can be provided via resistive heating produced by flow of current though a top metal layer of the unit elements. Alternatively, electrical control of the unit elements can be provided via electrical field effect produced by applying a voltage differential between the top and bottom metal layers of the unit elements.
    Type: Application
    Filed: January 10, 2020
    Publication date: July 16, 2020
    Inventors: Yonghwi Kim, Pin Chieh Wu, Ruzan Sokhoyan, Kelly W. Mauser, Rebecca D. Glaudell, Ghazaleh Kafaie Shirmanesh, Harry A. Atwater