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Conferences > FiO > 2011 > FThT > FThT5

An Optomechanical Magnetometer with Nano-Tesla Sensitivity

J.D. Swaim, S. Forstner, S. Prams, E.D. van Ooijen, J. Knittel, G.I. Harris, A. Szorkovszky, W.P. Bowen, and H. Rubinszstein-Dunlop

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Abstract

We demonstrate an optomechanical magnetometer that combines the giant magnetostriction of Terfenol-D with the ultra-high optical transduction sensitivity of a microtoroidal optical resonator, achieving a magnetic field sensitivity in the range of nT/Hz1/2.

© 2011 Optical Society of America

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