Description:

Highly efficient optical elements can be built up from metal nanostructures to manipulate surface plasmon polaritons propagating along a silver/polymer interface. Mirrors, beamsplitters, and interferometers produced by electron- beam lithography have been investigated. The plasmon fields are imaged by detecting the fluorescence of molecules dispersed in the polymer.  This animated sequence is of a series of fluorescence images of different samples containing surface plasmon interferometers with varying optical path length in one interferometer arm.

 

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