Bashevoy, M.V., Jonsson, F., Chen, Y. and Zheludev, N.I.
Hyperspectral imaging of plasmons with nanoscale resolution
At Surface Plasmon Photonics 3.
17 - 22 Jun 2007.
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We report on the development of a new technique for the visualization of plasmon excitations in metal nanostructures. The technique uses a nanoscale source of plasmon waves, a "plasmon nano-torch," created by the impact of a focused electron beam and images the sample using light across a broad range of wavelengths generated from the scattering of plasmons by the structure into the free space. By scanning the sample with the "plasmon nano-torch" the technique allows imaging with nanoscale spatial resolution and imaging at hundreds of wavelengths simultaneously.
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