Fiber gyroscope with nonreciprocally operated, fiber-coupled LiNbO3 phase shifter
Optics Letters, Vol. 6, Issue 11, pp. 572-574 (1981)
http://dx.doi.org/10.1364/OL.6.000572
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Abstract
We describe a fiber gyroscope operating at maximum sensitivity that is due to a nonreciprocal π/2 phase bias effected with a pulsed voltage applied to an electro-optic LiNbO3 channel waveguide phase shifter. With a He—Ne laser source, the noise was equivalent to a 0.1°/sec rotation, for a 10-Hz bandwidth and 2% reflectivity at each fiber-LiNbO3 interface. The phase shifters showed polarization-independent behavior that was characterized by measurements in a fiber interferometer. They were flip-chip coupled with single-mode fiber that were cemented to the channel ends to give a stable module.
© 1981 Optical Society of America
Citation
C. H. Bulmer and R. P. Moeller, "Fiber gyroscope with nonreciprocally operated, fiber-coupled LiNbO3 phase shifter," Opt. Lett. 6, 572-574 (1981)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-6-11-572
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