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:
Jul. 12, 2005
Filed:
May. 29, 2003
Applicants:
David B. Stegall, Austin, TX (US);
Dwayne L. Labrake, Cedar Park, TX (US);
Inventors:
David B. Stegall, Austin, TX (US);
Dwayne L. LaBrake, Cedar Park, TX (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B006/00 ;
U.S. Cl.
CPC ...
Abstract
The invention relates to systems and methods for characterizing optical devices, and particularly to one that characterizes optical devices such as fiber Bragg gratings. In one embodiment, a system and method include the use of two light sources and four detectors to detect light transmitted through an optical device both before and after the light has been transmitted in each direction through the device.