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4 May 2011 Plasmonics and THz frequency generation
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Abstract
We report the generation of THz pulses from arrays of silver nanoparticles when irradiated by femtosecond laser pulses. We suggest that this effect arises from the emission of photoelectrons by multi-photon excitation and subsequent acceleration of these emitted electrons by ponderomotive forces associated with the optical fields of the plasmons in the metallic nanostructures.
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D. K. Polyushkin, E. Stone, E. Hendry, and W. L. Barnes "Plasmonics and THz frequency generation", Proc. SPIE 8070, Metamaterials VI, 807002 (4 May 2011); https://doi.org/10.1117/12.886262
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