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:
Aug. 02, 2011
Filed:
Jul. 11, 2008
Arto Salokatve, Tampere, FI;
Arto Salokatve, Tampere, FI;
Corelase Oy, Tampere, FI;
Abstract
The invention relates to a pump coupler () and a manufacturing method. The pump coupler () comprises a least one signal fiber () for outputting optical energy, multiple pump fibers () for inputting optical energy into the signal fiber (), and a coupling structure () for coupling the optical energy of the pump fibers () into the signal fiber (). A signal feed-through fiber () goes through the coupling structure (). In accordance with the invention the coupling structure () is a tapering capillary tube () having a first wide end () and a second narrow end (), the pump fibers () are connected to the wide end of the capillary tube (), and at least the narrow end () of the capillary tube () is collapsed around the signal fiber ().