Fiber Optic Gyroscope Systems Design 2 DC

marina-yarberry
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Fiber Optic Gyroscope Systems Design 2 DC detection method FOG systems design The Sagnac phase shift (resulting from angular rotation) is applied to the CW direction and is calculated as follows: (8pi FiberCoilArea NumberOfCoils

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Fiber Optic Gyroscope Systems Design<br>
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2 DC detection method FOG systems design The Sagnac phase shift (resulting from angular rotation) is applied to the CW direction and is calculated as follows:
(8*pi* FiberCoilArea * NumberOfCoils * AngularVelocity )/( ReferenceWavelength* c) Layout: I-FOG DC Detection<br>
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3 Phase modulation method (1) FOG systems design Schematic of modulation technique (Source: REF) upon which the OptiSystem design was built (Note: the Fiber polarizer was not included in the design) The photo-detected signal includes the DC term and all harmonics resulting from the phase shift and modulated signal. The harmonic of interest (to be measured) is at the signal modulation frequency<br>