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:
May. 23, 1995
Filed:
Jul. 29, 1994
Applicant:
Inventors:
John R Lewis, Acton, MA (US);
Martin H Muendel, Cambridge, MA (US);
Assignee:
Polaroid Corporation, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
385123 ; 359625 ;
Abstract
A high-power optical fiber device comprising a pump source of light-emitting facets, optical means for collimating and converging the array, an optical beam rotator for transforming the array by rotating individual light emissions, and an optical fiber structure having a core surrounded by an inner cladding for transferring pump energy into the core, the inner cladding having a cross-sectional shape in the form of a convex polygon.