The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 07, 2020
Filed:
Jul. 05, 2017
Simin Feng, Oxnard, CA (US);
Kevin A. Boulais, La Plata, MD (US);
Walter D. Sessions, Marietta, GA (US);
Pearl Rayms-keller, Fredericksburg, VA (US);
Robert B. Nichols, Yorktown, VA (US);
William F. Smith, King George, VA (US);
Karen J. Long, Upper Marlboro, MD (US);
Michael S. Lowry, Fredericksburg, VA (US);
Simin Feng, Oxnard, CA (US);
Kevin A. Boulais, La Plata, MD (US);
Walter D. Sessions, Marietta, GA (US);
Pearl Rayms-Keller, Fredericksburg, VA (US);
Robert B. Nichols, Yorktown, VA (US);
William F. Smith, King George, VA (US);
Karen J. Long, Upper Marlboro, MD (US);
Michael S. Lowry, Fredericksburg, VA (US);
United States of America, as represented by the Secretary of the Navy, Arlington, VA (US);
Abstract
A control device is provided for photonic switching. The device includes an optically tunable metamaterial unit cell. This structure includes a dielectric substrate; at least two arrays of metamaterial elements located on the top surface thereof, the metamaterial being capable of reflecting electromagnetic radiation, and a layer of photo-capacitive material overlapping the at least two arrays of metamaterial elements, the photo-capacitance of the photo-capacitive material being optically tunable; and a reflectarray or phased array system containing the unit cell.