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:
Jun. 24, 2003
Filed:
Dec. 09, 2000
Applicant:
Inventors:
Zhupei Shi, San Jose, CA (US);
Yuqiao Liu, Sunnyvale, CA (US);
Jay Dehkordi, San Jose, CA (US);
Minh Tran, Stockton, CA (US);
Peter C. Chang, Mountian View, CA (US);
Lee Zhang, Union City, CA (US);
Assignee:
Alliance Fiber Optics Products, Inc., Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/00 ;
U.S. Cl.
CPC ...
G02B 6/00 ;
Abstract
A variable optical attenuator ( ) comprises a dual fiber collimator ( ) and a reflection component ( ) separated by a linear moveable ND filter ( ). The collimator ( ) includes a ferrule ( ) with dual fibers ( ) therein, and a GRIN lens ( ) spaced from the ferrule ( ) with a distance in compliance with the distance between the reflection component ( ) and the GRIN lens ( ).