Contact: Lynn Yarris
DOE/Lawrence Berkeley National Laboratory
Caption: On the left is a scanning electron micrograph of a plasmonic Luneburg lens on a gold film. On the right, fluorescence imaging shows intensity of the SPPs propagated by the Luneburg lens (dotted circle). X marks the launching position of the electron beam and Z is the direction in which the SPPs propogate.
Credit: Image courtesy of Zhang group
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Related news release: GRIN plasmonics