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.

Date of Patent:
Jun. 01, 2021

Filed:

Nov. 30, 2018
Applicant:

United States Government As Represented BY the Secretary of the Navy, San Diego, CA (US);

Inventors:

Alexandru Hening, San Diego, CA (US);

Ryan P. Lu, San Diego, CA (US);

Ayax D. Ramirez, Chula Vista, CA (US);

Britanny Lynn, San Diego, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 9/04 (2006.01); H01Q 15/14 (2006.01); H01Q 1/26 (2006.01); H01Q 9/16 (2006.01); H01Q 3/01 (2006.01); H01Q 19/10 (2006.01); H05H 1/24 (2006.01);
U.S. Cl.
CPC ...
H01Q 1/26 (2013.01); H01Q 3/01 (2013.01); H01Q 9/16 (2013.01); H01Q 19/108 (2013.01); H05H 1/24 (2013.01);
Abstract

An antenna comprising: a radio frequency (RF) coupler; a transceiver communicatively coupled to the RF coupler; a laser configured to generate a plurality of femtosecond laser pulses so as to create, without the use of high voltage electrodes, a laser-induced plasma filament (LIPF) in atmospheric air, wherein the laser is operatively coupled to the RF coupler such that RF energy is transferred between the LIPF and the RF coupler; and wherein the laser is configured to modulate a characteristic of the laser pulses at a rate within the range of 1 Hz to 1 GHz so as to modulate a conduction efficiency of the LIPF thereby creating a variable impedance LIPF antenna.


Find Patent Forward Citations

Quick Actions:

Hening, Alexandru. (2021). Wideband laser-induced plasma filament antenna with modulated conductivity (U.S. Patent No. 11024950). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11024950

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