Phase-Resolved Observation of the Gouy Phase Shift of Surface Plasmon Polaritons

The space-resolved Gouy phase shift for focused surface plasmon polaritons (SPPs) in the optical regime is experimentally demonstrated for the first time. SPPs are excited by CW laser radiation focused onto a dielectric ridge placed on a cover glass surface coated by a silver film. The Gouy phase me...

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Veröffentlicht in:	ACS photonics 2017-04, Vol.4 (4), p.905-908
Hauptverfasser:	Birr, Tobias, Fischer, Tim, Evlyukhin, Andrey B, Zywietz, Urs, Chichkov, Boris N, Reinhardt, Carsten
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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