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.:

US 11002664 B1

PDF
Full Text
Expired
Date of Patent:
May. 11, 2021

Filed:

Aug. 03, 2017
Applicant:

Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;

Inventors:

Salim Boutami, Grenoble, FR;

Mathieu Dupoy, Coublevie, FR;

Boris Taurel, Montbonnot-Saint-Martin, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/01 (2006.01); G01N 21/3504 (2014.01); G01N 21/03 (2006.01);
U.S. Cl.
CPC ...
G01N 21/01 (2013.01); G01N 21/031 (2013.01); G01N 21/3504 (2013.01); G01N 2021/0378 (2013.01); G01N 2201/08 (2013.01);
Abstract

An optical device for a biological or chemical sensor includes: an absorption cavity configured to receive a biological or chemical medium; an injection waveguide to inject an analysis light beam into the absorption cavity; and an extraction waveguide to extract a measurement light beam, corresponding to the analysis light beam after transit through the absorption cavity. The absorption cavity has a shape of a right cylinder with an elliptical base. One end of the injection waveguide is placed at a first focus of the ellipse and one and of the extraction waveguide is placed at a second focus of the ellipse. A core of the injection waveguide and a core of the extraction waveguide each have a tip-shaped end, with a constant height in a plane parallel to the generatrix of the right cylinder and a tip-shaped cross section in planes parallel to the base of the right cylinder.


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Boutami, Salim. (2021). Absorption cavity with entrance and exit waveguides for a chemical or biological sensor (U.S. Patent No. 11002664). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11002664

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