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  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1989),
  • paper THK35

LiNbO3 serrodyne frequency shifter for a resonator fiber optic gyroscope at 1.5 μm

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Abstract

Fiber optic gyros have been under development for inertial navigation applications. To achieve high accuracy, the Sagnac phase shift of two counterpropagating waves in a rotating fiber gyro is nulled by generating a frequency shift Δf between the two waves according to Δf = Ω(2R/λn),1 where Ω is the rotation rate, R is the radius of the fiber coil, λ is the wavelength in the free space, and n is the refractive index of the fiber.

© 1989 Optical Society of America

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