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:
Nov. 19, 2019
Filed:
Aug. 30, 2018
Applicant:
Government of the United States As Represented BY the Secretary of the Air Force, Washington, DC (US);
Inventors:
Victor Yu Reshetnyak, Kiev, UA;
Dean R. Evans, Beavercreek, OH (US);
Assignee:
United States of America as represented by the Secretary of the Air Force, Wright-Patterson AFB, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02F 1/01 (2006.01); G02B 5/00 (2006.01); G02F 1/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/13362 (2013.01); G02B 5/003 (2013.01); G02F 1/0063 (2013.01); G02F 1/0136 (2013.01); G02F 1/133509 (2013.01);
Abstract
An optical/RF apparatus comprising a liquid crystal (LC) layer placed above or below a plasmon layer (e.g., a periodic array of graphene ribbons) to enable the tuning of the surface plasmons by varying the voltage applied to the LC to realize thereby devices such as tunable mid-IR, far-IR or THz modulators and filters.