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Proceedings Paper

Wireless remote-query environmental monitoring using magnetoelastic sensors
Author(s): Keat Ghee Ong; Craig A. Grimes; Mahaveer K. Jain; Casey Mungle
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Paper Abstract

Magnetoelastic sensors, made of amorphous metallic glass ribbons or wires, have been used to measure various environmental parameters such as temperature, humidity, viscosity, and chemical concentration including pH, carbon dioxide, and ammonia. The parameter of interest is determined by remote detection of the shift in the resonant frequency of the magnetoelastic sensors, which is dependent upon several factors including stress, pressure, temperature, and magnetic field. This paper describes the operating principles of the magnetoelastic sensors and presents several proven applications, as well as methods for optimizing the sensor performance.

Paper Details

Date Published: 22 February 2002
PDF: 12 pages
Proc. SPIE 4576, Advanced Environmental Sensing Technology II, (22 February 2002); doi: 10.1117/12.456954
Show Author Affiliations
Keat Ghee Ong, The Pennsylvania State Univ. (United States)
Craig A. Grimes, The Pennsylvania State Univ. (United States)
Mahaveer K. Jain, The Pennsylvania State Univ. (United States)
Casey Mungle, The Pennsylvania State Univ. (United States)


Published in SPIE Proceedings Vol. 4576:
Advanced Environmental Sensing Technology II
Tuan Vo-Dinh; Stephanus Buettgenbach, Editor(s)

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