Near-Field Modification of Interference Components in Surface Plasmon Resonance

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In an attenuated total reflection (ATR) geometry, energy extracted from an incident light beam by surface plasmon polariton (SPP) creation is implicitly considered to dissipate as heat. However, we show that a sharpened tip interacting with the SPP evanescent field can redirect some of the energy before such dissipation occurs. This behavior is examined with simple computer simulations and an analogy is drawn between it and a modified Mach-Zehnder interferometer. We also discuss "interaction-free" measurements with our set-up.
4 pages, 5 figures

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Optics

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http://salesiana.dossiersoluciones.com/handle/123456789/159319

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0804.3418
 http://arxiv.org/abs/0804.3418

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arXiv