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:
Apr. 18, 2017
Filed:
May. 13, 2011
William Andrew Clarkson, Southampton, GB;
Rafal Cieslak, Southampton, GB;
William Andrew Clarkson, Southampton, GB;
Rafal Cieslak, Southampton, GB;
UNIVERSITY OF SOUTHAMPTON, Hampshire, GB;
Abstract
A fiber gain medium provided by a rare-earth doped fiber () is contained in a first resonant cavity by end reflectors (). The reflector () is wavelength selective to limit the frequency band of the first resonant cavity. The first resonant cavity also contains a second resonant enhancement cavity () with multiple transmission bands lying within the first resonant cavity's frequency band. Multiple standing wave modes of the first resonant cavity lie within both the frequency band of the first resonant cavity and the transmission bands of the second resonant cavity, and it is these standing wave modes that support laser action when the rare-earth doped fiber is suitably pumped by pump lasers ().