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Conferences > ACPC > 2018 > Su2A > Su2A.84
  • Asia Communications and Photonics Conference (ACP) 2018
  • OSA Technical Digest (Optica Publishing Group, 2018),
  • paper Su2A.84

Magnetic field sensor using Cu-coated DFB Fiber laser

Chaojiang Hao, Yifei Ma, Ying Song, Wentao Zhang, Fang Li, and Dongmei Li

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Abstract

Distributed feedback Bragg fiber laser (DFB-FL)with Cu-coating is used as the sensing element to measure the static magnetic field. If the DFB-FL is perpendicular to the magnetic field, a current in the Cu-coating film will induce Ampere force perpendicular to the fiber. The Ampere force leads to the shift of the output wavelength of DFB-FL. Experiments show that a resolution of 0.27 μT/Hz1/2 is achieved using PGC demodulation method.

© 2018 The Author(s)

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