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US 2010/0073681 A1Published application
Bias-reduced fiber optic gyroscope
AssigneeHoneywell International Inc.
InventorsTiequn Qiu, Steven J. Sanders, Sorin Moser
Life of this patent
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Abstract
A fiber optic gyroscope includes a light source, a coupler coupled to the light source, a photodetector coupled to the coupler, an integrated optic circuit (IOC) coupled to the coupler by a first element, and a sensing loop coupled to the IOC by second and third elements. At least one of the first, second and third elements includes a polarizing element.
Claims16
A fiber optic gyroscope, comprising:
- a light source;
- a coupler coupled to the light source;
- a photodetector coupled to the coupler;
- an integrated optic circuit (IOC) coupled to the coupler by a polarizing first element;
- and
- a sensing loop coupled to the IOC by second and third elements.
3 more elements
A fiber optic gyroscope, comprising:
- a light source;
- a coupler coupled to the light source;
- a photodetector coupled to the coupler;
- an integrated optic circuit (IOC) coupled to the coupler by a first element;
- and
- a sensing loop coupled to the IOC by second and third elements, at least one of the second and third elements being a polarizing element.
3 more elements
Dependencies are inferred from the claim text.