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:
Sep. 09, 2008
Filed:
Feb. 09, 2006
Applicants:
Yujin Zheng, Hamamatsu, JP;
Hirofumi Kan, Hamamatsu, JP;
Inventors:
Yujin Zheng, Hamamatsu, JP;
Hirofumi Kan, Hamamatsu, JP;
Assignee:
Hamamatsu Photonics K.K., Hamamatsu-shi, Shizuoka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 5/00 (2006.01); H01S 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The semiconductor laser deviceA has a semiconductor laser arrayincluding a plurality of active layersarranged in parallel along a slow direction, and outputs laser beams from the front end faceside of the active layersThe semiconductor laser deviceA comprises a collimating lensthat collimates laser beams Loutputted from the respective rear end facesof the active layerswithin a plane orthogonal to the slow axis, and a reflecting mirrorthat feeds back parts of the laser beams Loutputted from the collimating lensto the respective active layersvia the collimating lens