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:
Jun. 10, 2025
Filed:
May. 14, 2021
Ramot AT Tel-aviv University Ltd., Tel Aviv, IL;
Tal Ellenbogen, Tel Aviv, IL;
Guixin Li, Shenzhen, CN;
RAMOT AT TEL-AVIV UNIVERSITY LTD, Tel Aviv, IL;
Abstract
Apparatus for generating THz (terahertz) radiation, the apparatus comprising: a substrate; a planar array of subwavelength antennas formed on the substrate having rotational symmetry, Cn, of order 'n' greater than or equal to 3 and rotational symmetry cycle 2π/η, which are excitable by near infrared (NIR)_pump radiation to radiate THz radiation having wavelengths that are substantially larger than characteristic dimensions of the subwavelength antenna; wherein the array comprises a plurality of sections each comprising plurality of subwavelength antennas exhibiting a spatial pattern different from that of an adjacent section of the plurality of sections.