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:
Aug. 07, 2018

Filed:

Jul. 06, 2015
Applicant:

Ixblue, Saint-Germain-en-Laye, FR;

Inventors:

Pascal Simonpietri, Cormeilles en Parisis, FR;

Stephane Chouvin, Bagneux, FR;

Cedric Molucon, Saint-Germain-en-Laye, FR;

Assignee:

IXBLUE, Saint-Germain-en-Laye, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/353 (2006.01); G01D 5/34 (2006.01); G01C 19/72 (2006.01); G02B 6/126 (2006.01); G02F 1/21 (2006.01); G02B 5/126 (2006.01);
U.S. Cl.
CPC ...
G01D 5/35322 (2013.01); G01C 19/722 (2013.01); G01D 5/344 (2013.01); G01C 19/721 (2013.01); G02B 5/126 (2013.01); G02B 6/126 (2013.01); G02F 2001/211 (2013.01);
Abstract

Disclosed is an optical fiber interferometric system including a light source (), a fiber optic coil (), a coil splitter (), a photodetector (), and a polarization filtering unit. According to an embodiment, the polarization filtering unit includes a first waveguide polarizer (), at least one second thin-plate polarizer () and an optical waveguide section (), the at least one second polarizer () being disposed in the Rayleigh zone between a first waveguide end () of the first polarizer () and a second waveguide end () of the optical waveguide section ().


Find Patent Forward Citations

Loading…