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US 6,785,443 B2Granted
Optical fiber Bragg grating tuning device
AssigneeTeraxion Inc.
InventorsAlexis Mendez, Mario Pacheco, Steve Montesanto, Gershon Perelman, William Wang, Jason Zweiback
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Abstract
The present invention is directed to a system and method for tuning an optical fiber Bragg grating by using a circular mechanism which uniformly stretches the fiber along its length while at the same time preserving the minimal size for stretching.
Claims27
A device for uniformly changing the length of an optic fiber along its longitudinal axis, said device comprising:
- a support having a circumference around a single point;
- a fiber having its longitudinal axis attached to said support circumference so that the longitudinal axis of said fiber assumes the same geometry as said support circumference;
- and
- a mechanism for changing said support circumference.
1 more element
A device for changing the applied strain in a fiber Bragg grating, said device comprising:
- a circular support having a radius of curvature defined by radius R, said circular support not forming a continuous loop, thereby having ends;
- means for attaching a portion of said cable containing said fiber Bragg grating to the periphery of said circular support;
- and
- means for causing said ends to expand with respect to each other thereby changing radius R.
1 more element
Dependencies are inferred from the claim text.