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:
Oct. 07, 2003
Filed:
Nov. 08, 2001
Applicant:
Inventors:
Assignee:
Blazephotonics Limited, Bath, GB;
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/02 ;
U.S. Cl.
CPC ...
G02B 6/02 ;
Abstract
A photonic crystal fiber including a plurality of longitudinal holes ( ), in which at least some of the holes have a different cross-sectional area in a first region ( ) of the fiber, that region having been heat-treated after fabrication of the fiber, from their cross-sectional area in a second region of the fiber ( ), wherein the optical properties of the fiber in the heat-treated region ( ) are altered by virtue of the change in cross-sectional area of holes ( ) in that region ( ).
Quick Actions:
Russell, Philip St. John. (2003). Photonic crystal fibers (U.S. Patent No. 6631234). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6631234
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