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. 28, 2002
Filed:
Jan. 21, 2000
Yuqiao Liu, Sunnyvale, CA (US);
Chianchiu Li, Sunnyvale, CA (US);
Gaofeng Chen, Sunnyvale, CA (US);
Peter C. Chang, Mountain View, CA (US);
Alliance Fiber Optics Products, Inc., Sunnyvale, CA (US);
Abstract
A multi-port fiber optic device ( ) includes a dual fiber first collimator ( ) which comprises a ferrule ( ) with the input fiber ( ) and the output fiber ( ) therein, a gradient index rod lens ( ) adhesively attached to the ferrule ( ), and a filter ( ) adhesively attached to the lens ( ) opposite to the ferrule ( ). A second collimator ( ) is generally positioned in front of the first collimator ( ), includes the similar components thereof while being symmetrical to the first collimator ( ) along the middle portion of the whole assembly, except that one of the dual fiber of the second collimator ( ) functions idle, thus the pigtail of such a fiber being removed.