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. 15, 2009
Filed:
Aug. 30, 2002
Jes Broeng, Kgs. Lyngby, DK;
Anders Bjarklev, Roskilde, DK;
Stig Eigil Barkou Libori, Soborg, DK;
Jacob Riis Folkenberg, Kokkedal, DK;
Guillaume Vienne, Copenhagen V, DK;
Jes Broeng, Kgs. Lyngby, DK;
Anders Bjarklev, Roskilde, DK;
Stig Eigil Barkou Libori, Soborg, DK;
Jacob Riis Folkenberg, Kokkedal, DK;
Guillaume Vienne, Copenhagen V, DK;
Crystal Fibre A/S, Birkerod, DK;
Abstract
An article comprising an optical fiber, the fiber comprising at least one core surrounded by a first outer cladding region, the first outer cladding region being surrounded by a second outer cladding region, the first outer cladding region in the cross-section comprising a number of first outer cladding features having a lower refractive index than any material surrounding the first outer cladding features, wherein for a plurality of said first outer cladding features, the minimum distance between two nearest neighboring first outer cladding features is smaller than 1.0 μm or smaller than an optical wavelength of light guided through the fiber when in use; a method of its production, and use thereof.