Sub-wavelength images to be made at radio frequencies

Tuesday, June 17, 2014 - 17:01 in Physics & Chemistry

Imaging and mapping of electric fields at radio frequencies currently requires structures about the same size as the wavelength of the RF fields to be mapped. New theoretical and experimental work suggests an innovative method to overcome this limit. The new technique uses a pair of highly stable lasers and rubidium atoms as tunable resonators to map and potentially image electric fields at resolutions far below their RF wavelengths.

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