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Magnetic Field Alters Disc's Properties

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Kevin Robinson

GRENOBLE, France -- A team of scientists has discovered a way to use a magnetic field to alter the transparency of a plastic disc. Bart van Tiggelen of the Universite Joseph Fourier and researchers from the Max Planck Institute made the discovery, which could lead to advances in optical switching devices. Last year, this same team discovered a photonic phenomenon similar to the Hall effect. The researchers observed the propagation of light through a plastic disc made partly of europium fluoride. The disc loses transparency when it is placed inside a magnetic field. The effect is similar to an...Read full article

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    Published: December 1997
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