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:
Sep. 14, 2004
Filed:
Sep. 04, 2003
Applicant:
Inventors:
Peter Johannes Theodorus Pleunis, Weert, NL;
Myrna Boon, Eindhoven, NL;
Martinus Ludovicus Petrus Wilhelmus Van Den Heuvel, Waalre, NL;
Assignee:
Draka Fibre Technology B.V., Eindhoven, NL;
Primary Examiner:
Int. Cl.
CPC ...
D02G 3/00 ; G02B 6/00 ; G02B 6/16 ;
U.S. Cl.
CPC ...
D02G 3/00 ; G02B 6/00 ; G02B 6/16 ;
Abstract
The present invention relates to a multimode fiber having a refractive index profile, wherein the area surrounding the center of the fiber has a refractive index profile such that the responses of a DMD (Differential Mode Delay) measurement carried out on a fiber having a length of at least 300 m are obtained without any pulse splitting occurring in the center of the fiber.