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. 06, 2004
Filed:
Feb. 20, 2001
Applicant:
Inventors:
John Haig Marsh, Glasgow, GB;
Craig James Hamilton, Bishopton, GB;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 5/00 ; H01S 3/14 ;
U.S. Cl.
CPC ...
H01S 5/00 ; H01S 3/14 ;
Abstract
There is disclosed an improved laser device ( ), comprising a semiconductor laser diode. The invention provides laser device ( ) comprising: at least two lasing regions ( ); an interference region ( ) into which an output of each lasing region ( ) is coupled; and an output region ( ) extending from the interference region ( ) to an output ( ) of the device ( ).