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Proceedings Paper

Miniaturized fiber optic magnetic field sensors
Author(s): Ki D. Oh; Jaydeep Ranade; Vivek Arya; Anbo Wang; Richard O. Claus
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Paper Abstract

Metglas based extrinsic miniaturized fiber optic magnetic field sensor system has been designed and fabricated for measuring DC magnetic fields. A simple geometry and modification of sensor gage show 98 percent suppression of thermally induced output variation and 92 percent of fringe visibility. A single-board microcomputer is used for accurate signal demodulation and calibration. The system has demonstrated a resolution of better than 100 nT over a range of 100 nT to 40,000 nT.

Paper Details

Date Published: 11 January 1999
PDF: 7 pages
Proc. SPIE 3538, Process Monitoring with Optical Fibers and Harsh Environment Sensors, (11 January 1999); doi: 10.1117/12.335739
Show Author Affiliations
Ki D. Oh, Korea Telecom (United States)
Jaydeep Ranade, Qualcomm (United States)
Vivek Arya, Lucent Technologies (United States)
Anbo Wang, Virginia Polytechnic Institute and State Univ. (United States)
Richard O. Claus, Virginia Polytechnic Institute and State Univ. (United States)


Published in SPIE Proceedings Vol. 3538:
Process Monitoring with Optical Fibers and Harsh Environment Sensors
Michael A. Marcus; Michael A. Marcus; Anbo Wang, Editor(s)

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