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:
Mar. 29, 2011
Filed:
Sep. 28, 2006
Malte Kumkar, Weimar, DE;
Rudolf Huber, Aldingen, DE;
Malte Kumkar, Weimar, DE;
Rudolf Huber, Aldingen, DE;
TRUMPF LASER GmbH + Co. KG, Schramberg, DE;
Abstract
In an optical fiber () for the transmission of high-power laser radiation, with a fiber core (), with an inner fiber cladding () surrounding the fiber core () for carrying the laser radiation in the fiber core (), with a first outer fiber cladding () surrounding the inner fiber cladding (), which has a smaller refractive index than the inner fiber cladding () as a result of longitudinally aligned air-filled capillaries (), and with a second outer fiber cladding () surrounding the first outer fiber cladding (), wherein the first outer fiber cladding () has a capillary-free longitudinal section (), the second outer fiber cladding () has according to the invention scattering centers () at least in the region of the capillary-free longitudinal section () for scattering the laser radiation emerging from the inner fiber cladding () along the capillary-free longitudinal section ().