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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 14, Iss. 11 — Jun. 1, 1989
  • pp: 587–589

Magneto-optic current sensor using a helical-fiber Fabry–Perot resonator

F. Maystre and A. Bertholds  »View Author Affiliations


Optics Letters, Vol. 14, Issue 11, pp. 587-589 (1989)
http://dx.doi.org/10.1364/OL.14.000587


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Abstract

The concept of a magneto-optic current sensor that employs a fiber-optic Fabry–Perot resonator shaped into a single-turn helix is presented. The helical shape permits construction of a compact device that has the required polarization properties. Compared with a single-pass sensor, a large increase in sensitivity is obtained as a result of the finesse of the resonator. Experimental results confirm the theory and show that for a finesse of F = 6 the sensitivity is four times larger than for a single-pass sensor.

© 1989 Optical Society of America

History
Original Manuscript: July 20, 1988
Manuscript Accepted: March 3, 1989
Published: June 1, 1989

Citation
F. Maystre and A. Bertholds, "Magneto-optic current sensor using a helical-fiber Fabry–Perot resonator," Opt. Lett. 14, 587-589 (1989)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-14-11-587

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