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:
Sep. 10, 2002
Filed:
May. 15, 2000
Applicant:
Inventors:
Jens Engholm Pedersen, Frederiksberg, DK;
Martijn Beukema, Frederiksberg, DK;
Christian Vestergaard Poulsen, Nærum, DK;
Lars Erik Eskildsen, Lyngby, DK;
Assignee:
Ionas A/S Birkerod, , DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/30 ;
U.S. Cl.
CPC ...
H01S 3/30 ;
Abstract
A method of temperature stabilizing an optical waveguide ( ) having a positive thermal optical path length expansion affixes the optical waveguide to at least two points of a material having a negative thermal expansion and comprises the material of a composite of a resin matrix having embedded therein fibers having a negative thermal expansion coefficient and optionally fibers having a positive thermal expansion coefficient, whereby to provide the negative thermal expansion.