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:
Feb. 04, 2014
Filed:
Feb. 15, 2010
Shinichi Shimotsu, Ashigarakami-gun, JP;
Shinichi Shimotsu, Ashigarakami-gun, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
When light enters a first small diameter fiber at an incident angle of 0°, exit light from the first small diameter fiber has a substantially convex light amount distribution in a diameter direction. When light enters a second small diameter fiber at an incident angle of 12°, exit light from the second small diameter fiber has a substantially concave light amount distribution in a diameter direction. The exit light from the first and second small diameter fibers enters a large diameter fiber and is combined therein, making the light amount distribution uniform in the large diameter fiber. The large diameter fiber has a tapered core and a tapered clad in a light exit section. The light in the large diameter fiber is output from a light exit surface thereof and also leaked from the tapered clad.