Patent ID: 6349165
Filing Date: 2002-02-19
Classification: G02B

Abstract:
A temperature compensated optical waveguide device comprising:a tube having a first end and a second end and defining a cavity extending at least partially between said first end and said second end, said tube having a negative coefficient of thermal expansion; an optical fiber longitudinally disposed within said cavity and having a positive coefficient of thermal expansion; a first seal and a second seal disposed with said cavity, such that a length of said optical fiber is secured between said first seal and said second seal; a cylindrical body having a first end and a second end, wherein the tube is longitudinally disposed within the cylindrical body; a first end cap disposed on the first end of the cylindrical body; and a second end cap disposed on the second end of the cylindrical body, herein the optical fiber extends through a first and a second opening of the first and second end cap, respectively.