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. 15, 2016
Filed:
Aug. 28, 2013
Hitoshi Yamada, Aichi-gun, JP;
Kazuhiro Shintani, Toyokawa, JP;
Akinobu Fujii, Nagoya, JP;
Norio Sato, Nagoya, JP;
Thierry Verbiest, Leuven, BE;
Andre Persoons, Holsbeek, BE;
Pavel Polynkin, Tucson, AZ (US);
Nasser Peyghambarian, Tucson, AZ (US);
Hitoshi Yamada, Aichi-gun, JP;
Kazuhiro Shintani, Toyokawa, JP;
Akinobu Fujii, Nagoya, JP;
Norio Sato, Nagoya, JP;
Thierry Verbiest, Leuven, BE;
Andre Persoons, Holsbeek, BE;
Pavel Polynkin, Tucson, AZ (US);
Nasser Peyghambarian, Tucson, AZ (US);
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-Shi, JP;
KATHOLIEKE UNIVERSITEIT LEUVEN, Leuven, BE;
Abstract
A high-resolution sensor of magnetic field sensor system and materials for use in such a system are described. The sensor systems measure a magnetic field using inorganic and/or organic magneto-optically active materials, e.g. polymer material and have an interferometer based on Faraday rotation. The polymer material is preferably in the form of a film. The polymer material has an optical property that is sensitive to the magnetic field, e g the Faraday rotation effect. The present invention also provides a sensor head structure comprising the above polymer material. The sensor head may be designed for use with an optical fiber or with mirrors In particular the present invention provides a fiber Sagnac interferometer to measure the rotation of polarized plane of light. The present invention provides a fiber or mirror based Sagnac interferometer with passive phase bias applied to magnetic field sensing.