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Optics Letters

Optics Letters


  • Vol. 24, Iss. 16 — Aug. 15, 1999
  • pp: 1097–1099

Frequency-division-multiplexed polarimetric fiber laser current-sensor array

Jae Chul Yong, Seok Hyun Yun, Myung Lae Lee, and Byoung Yoon Kim  »View Author Affiliations

Optics Letters, Vol. 24, Issue 16, pp. 1097-1099 (1999)

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We demonstrate a novel frequency-domain-multiplexing technique for implementing polarimetric fiber laser current sensors. Each sensor operates at a different polarization-mode beat frequency that is modulated in response to applied electric current. A bank of bandpass filters can be used to separate signals from different sensors. A simple frequency-demodulation technique based on a phase-locked loop is used for signal processing.

© 1999 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.4230) Fiber optics and optical communications : Multiplexing
(120.5410) Instrumentation, measurement, and metrology : Polarimetry
(130.6010) Integrated optics : Sensors
(140.3510) Lasers and laser optics : Lasers, fiber
(280.3420) Remote sensing and sensors : Laser sensors

Jae Chul Yong, Seok Hyun Yun, Myung Lae Lee, and Byoung Yoon Kim, "Frequency-division-multiplexed polarimetric fiber laser current-sensor array," Opt. Lett. 24, 1097-1099 (1999)

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