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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 6, Iss. 10 — Oct. 1, 1981
  • pp: 505–507

Closed-loop, low-noise fiber-optic rotation sensor

J. L. Davis and S. Ezekiel  »View Author Affiliations


Optics Letters, Vol. 6, Issue 10, pp. 505-507 (1981)
http://dx.doi.org/10.1364/OL.6.000505


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Abstract

A closed-loop, multiturn fiber-optic rotation sensor has been developed that exhibits low noise of the order of 0.1°/h for an averaging time of 30 sec. This performance is consistent with the photon-noise limit for our setup. The length of the fiber is 200 m, and the coil diameter is 19 cm. Nonreciprocal phase modulation is accomplished with an electro-optic crystal driven at 470 kHz, and closed-loop operation is achieved by means of acousto-optic frequency shifters.

© 1981 Optical Society of America

History
Original Manuscript: June 30, 1981
Published: October 1, 1981

Citation
J. L. Davis and S. Ezekiel, "Closed-loop, low-noise fiber-optic rotation sensor," Opt. Lett. 6, 505-507 (1981)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-6-10-505

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