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Proceedings Paper

Measurement Techniques For Magnetic Field Gradient Detection
Author(s): P Akhavan Leilabady; M Corke; K L Sweeney; R L Prater
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Paper Abstract

Two techniques based on the magnetically induced strain in a magnetostrictive sensing element are described in which detection schemes involving high frequency periodic modulation of the sensing element are employed for the recovery of very slowly varying low magnetic field gradients. Measurement resolutions in the range of 0.1 μOe to 0.01 μOe per unit sensing element length for test fields of frequencies in the range 0.1 Hz to 1 Hz are obtained.

Paper Details

Date Published: 28 April 1987
PDF: 8 pages
Proc. SPIE 0718, Fiber Optic and Laser Sensors IV, (28 April 1987); doi: 10.1117/12.937505
Show Author Affiliations
P Akhavan Leilabady, Allied Amphenol Fiber Optic Products (United States)
M Corke, Allied Amphenol Fiber Optic Products (United States)
K L Sweeney, Allied Amphenol Fiber Optic Products (United States)
R L Prater, Allied Amphenol Fiber Optic Products (United States)


Published in SPIE Proceedings Vol. 0718:
Fiber Optic and Laser Sensors IV
Ramon P. DePaula; Eric Udd, Editor(s)

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