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:
May. 13, 2014
Filed:
Dec. 07, 2007
Frédéric Sandoz, Cortaillod, CH;
Carlos Pedrido, Boudry, CH;
Philippe Ribaux, Bevaix, CH;
Philippe Hamel, St-Aubin Sauges, CH;
Peter Othenin, Yverdon-les-Bains, CH;
Philippe Vincent Roy, Limoges, FR;
Methiew Devautour, Limoges, FR;
Frédéric Sandoz, Cortaillod, CH;
Carlos Pedrido, Boudry, CH;
Philippe Ribaux, Bevaix, CH;
Philippe Hamel, St-Aubin Sauges, CH;
Peter Othenin, Yverdon-les-Bains, CH;
Philippe Vincent Roy, Limoges, FR;
Methiew Devautour, Limoges, FR;
Silitec Fibers SA, Boudry, CH;
Abstract
The present invention relates to a method and an apparatus for fabricating a preform () that can be used for drawing an active optical fiber (). The present invention further relates to an active optical fiber (), designed for amplification or attenuation purposes, drawn from said preform () and to an optical amplifier () using a laser active optical fiber.