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Optics Letters

Optics Letters


  • Vol. 6, Iss. 1 — Jan. 1, 1981
  • pp: 19–21

Magnetic-field sensing with a single-mode fiber

S. C. Rashleigh  »View Author Affiliations

Optics Letters, Vol. 6, Issue 1, pp. 19-21 (1981)

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A fiber-optic magnetic-field sensor is constructed by bonding a single-mode fiber to a nickel cylinder. The magnetic field, by means of the magnetostrictive effect, alters the state of polarization of light in the fiber. A sensitivity of 1.76 × 10−2 rad/m Oe is demonstrated, permitting detection of fields as small as 4.4 × 10−6 Oe/m of fiber.

© 1981 Optical Society of America

Original Manuscript: September 22, 1980
Published: January 1, 1981

S. C. Rashleigh, "Magnetic-field sensing with a single-mode fiber," Opt. Lett. 6, 19-21 (1981)

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