Caltech-led team designs novel negative-index metamaterial that responds to visible light

Friday, April 23, 2010 - 09:32 in Physics & Chemistry

PASADENA, Calif. -- A group of scientists led by researchers from the California Institute of Technology (Caltech) has engineered a type of artificial optical material -- a metamaterial -- with a particular three-dimensional structure such that light exhibits a negative index of refraction upon entering the material.

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