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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 11 — Apr. 10, 2011
  • pp: 1570–1574

Integrated optics magnetic sensor from 2 kHz to 9 GHz

Bao Sun, Fushen Chen, and Kaixin Chen  »View Author Affiliations


Applied Optics, Vol. 50, Issue 11, pp. 1570-1574 (2011)
http://dx.doi.org/10.1364/AO.50.001570


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Abstract

A new type of integrated optical magnetic field sensor is presented in this paper. The proposed sensor consists of a Mach–Zehnder waveguide interferometer and a doubly loaded loop antenna. Such a structure can successfully avoid detection of the undesired electric field signal. The size of the sensor is 35 mm × 6 mm × 1 mm . The measurements show that the frequency response is from 2 kHz to 9 GHz , the dynamic range is 98 dB , and the minimum detectable magnetic field is 51.8 μA / m at 1 GHz . Therefore, this sensing system can be used in electromagnetic compatibility measurements.

© 2011 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Integrated Optics

History
Original Manuscript: September 21, 2010
Revised Manuscript: February 8, 2011
Manuscript Accepted: February 15, 2011
Published: April 6, 2011

Citation
Bao Sun, Fushen Chen, and Kaixin Chen, "Integrated optics magnetic sensor from 2 kHz to 9 GHz," Appl. Opt. 50, 1570-1574 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-11-1570

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