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. 22, 2005
Filed:
Mar. 15, 2002
Applicants:
Masami Ikeda, Tokyo, JP;
Shigeyuki Furuta, Tokyo, JP;
Koichi Murata, Tokyo, JP;
Inventors:
Assignee:
The Furukawa Electric Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B006/36 ;
U.S. Cl.
CPC ...
Abstract
A pump light source for Raman amplification. The pump light source includes a fixed module with at least one laser diode module, an electronic device for driving and controlling the laser diode module and a photodiode for monitoring optical output in the at least one laser diode. The pump light source also includes an additional module which contains a prescribed number of module cards. Each of the module cards are removably connected to the fixed module.