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. 22, 2005
Filed:
Jan. 05, 2005
Florent Beaumont, Conflans Ste Honorine, FR;
Maxime Gorlier, Paris, FR;
Pierre Sillard, Le Chesnay, FR;
Ludovic Fleury, Bois d'Arcy, FR;
Louis-anne DE Montmorillon, Paris, FR;
Pascale Nouchi, Maisons-Lafitte, FR;
Florent Beaumont, Conflans Ste Honorine, FR;
Maxime Gorlier, Paris, FR;
Pierre Sillard, Le Chesnay, FR;
Ludovic Fleury, Bois d'Arcy, FR;
Louis-Anne de Montmorillon, Paris, FR;
Pascale Nouchi, Maisons-Lafitte, FR;
Alcatel, Paris, FR;
Abstract
The invention proposes an optical fiber presenting a reference index profile having more than six steps. At a wavelength of 1550 nm it presents chromatic dispersion that is positive, and a ratio of the square of effective area over chromatic dispersion slope that is greater than 100,000 μm.nm.km/ps. The invention makes it possible to improve the propagation characteristics of prior art fibers by optimizing index profile. It can be implemented using conventional techniques for building up preforms by VAD or by MCVD.