Patent ID: 7369246

Claim:
A fiber optic gyroscope (FOG) sensing coil for guiding counter-propagating light beams, the FOG sensing coil comprising: a plurality of layers of an optical fiber having a winding direction, said plurality of layers comprising inner layers, middle layers, and outer layers, said middle layers comprising first and second input ends and first and second connecting ends, said first and second input ends configured to receive the counter-propagating light beams, said first and second connecting ends adjacent said first and second input ends, respectively, and at least one of said inner layers and outer layers comprising one or more connecting ends; wherein at least one of said one or more connecting ends of said inner layers, said one or more connecting ends of said outer layers, and said first and second connecting ends of said middle layers is coupled with a different one of said one or more connecting ends of said inner layers, said one or more connecting ends of said outer layers, and said first and second connecting ends of said middle layers while maintaining said winding direction.