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. 29, 1994
Filed:
Jan. 30, 1992
Applicant:
Inventors:
Satoshi Yamaguchi, Sagamihara, JP;
Hirofumi Imai, Sagamihara, JP;
Assignee:
Nippon Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 69 ; 372101 ; 372-6 ; 372 71 ; 372 98 ; 372 75 ;
Abstract
Light beams output from active layer stripes of a semiconductor laser array are individually collimated in a GRIN lens array and are converged, in a aspheric lens, into a beam spot, to thereby end-pump a solid state laser with high efficiency.