Method of changing the birefringence of an optical waveguide...

Details Method of changing the birefringence of an optical waveguide... Method of changing the birefringence of an optical waveguide...

G - Physics

02

B

G02B 6/10 (2006.01) G02B 5/18 (2006.01) G02B 6/02 (2006.01)

Patent

CA 2638136

A method of inducing birefringence in an optical waveguide is disclosed wherein the waveguide cladding is irradiated with energy of a sufficient intensity so as to induce a stress in the optical waveguide so as to cause a multitude of spaced stress induced regions within the cladding of the optical waveguide such that there are 10 to 5000 spaced regions per mm and wherein the stress induced regions are proximate the core greater than 2 microns distance from the core-cladding interface. This waveguide has numerous uses, for example a fiber sensor.

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