Tag Archives: invisibility

New metamaterial first to bend light in the visible spectrum

from PopSci:

Researchers at the California Institute of Technology have engineered a metamaterial with a refined 3-D structure that gives light a negative refraction index upon entering the material.

Put another way, it bends light the opposite way one might expect, irrespective of the angle or polarization of incoming light waves. Put yet another way: We’re getting closer to that invisibility cloak we’ve been looking for.

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Researchers create 3D invisibility cloak

from NEXT BIG FUTURE:

Researchers at Germany’s Karlsruhe Institute of Technology report they were able to cloak a tiny bump in a layer of gold, preventing its detection at nearly visible infrared frequencies.

(for illustrative purposes only – no one yet invisibly stalking you)

The cloak is a structure of crystals with air spaces in between, sort of like a woodpile, that bends light, hiding the bump in the gold later beneath, the researchers reported in Thursday’s online edition of the journal Science.