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:
Aug. 08, 2017
Filed:
Dec. 04, 2012
Centre National DE LA Recherche Scientifique (Cnrs), Paris, FR;
Wojciech Knap, Saint Gely du Fesc, FR;
Frédéric Teppe, Castries, FR;
Nina Diakonova, Montpellier, FR;
Michel Diakonov, Montpellier, FR;
Oleg Klimenko, Moscow, RU;
Sergey Ganichev, Sinzing, DE;
Christop Drexler, Regensburg, DE;
Abstract
The invention relates to a device () for measuring the state of polarization of an incident wave of frequency 10 GHz to 30 THz, comprising a field effect transistor (), a reception antenna (). According to the invention, the antenna parts () detect a component of polarization of the wave, collinear with a direction (X) causing in the transistor () an alternating detection voltage (Us), the parts () detect a component of polarization of the wave, collinear with a direction (Y) causing the appearance in the transistor () of an alternating detection voltage (Ud), the transistor () being designed to generate, as electrical detection signal (ΔU) between the source terminal () and the drain terminal (), a DC detection voltage (ΔU) a part of which is determined by the state of elliptical polarization of the wave by interference in the transistor () between the alternating voltages (Us, Ud).