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:
Nov. 23, 2010
Filed:
Dec. 22, 2008
Cheng LI, Rugby, GB;
Iain Botheroyd, Rugby, GB;
Steffan Lewis, Reading, GB;
Glyn Edwards, Daventry, GB;
Stephen Keen, Leamington Spa, GB;
Cheng Li, Rugby, GB;
Iain Botheroyd, Rugby, GB;
Steffan Lewis, Reading, GB;
Glyn Edwards, Daventry, GB;
Stephen Keen, Leamington Spa, GB;
GSI Group Ltd., Rugby, GB;
Abstract
A fibre laser system is disclosed comprising an optical fibre, a part of which is doped with a rare earth to form an optical gain medium; at least one laser diode; means for applying pump radiation from the laser diode to the optical gain medium and for generating a laser beam and delivery fibre means for delivering a laser beam to a workpiece, wherein the fibre laser is provided with at least one means for protecting one or more components from damage caused by errant radiation. Several different means of protection are disclosed.