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Femtosecond surface plasmon interferometry

AuthorsTemnov, Vasily V.; Nelson, Keith A.; Armelles Reig, Gaspar ; Cebollada, Alfonso ; Thomay, Tim; Leitenstorfer, Alfred; Bratschitsch, Rudolf
Issue Date2009
PublisherOptical Society of America
CitationOptics Express 17: 8423-8755 (2009)
AbstractWe demonstrate femtosecond plasmonic interferometry with a novel geometry. The plasmonic microinterferometer consists of a tilted slit-groove pair. This arrangement allows for (i) interferometric measurements at a single wavelength with a single microinterferometer and (ii) unambiguous discrimination between changes in real and imaginary parts of the metal dielectric function. The performance is demonstrated by monitoring the sub-picosecond dynamics of hot electrons in gold
DescriptionOCIS codes: (240.6680) Surface plasmons; (240.6648) Surface dynamics, (320.7100) Ultrafast measurements
Publisher version (URL)http://dx.doi.org/10.1364/OE.17.008423
Appears in Collections:(IMN-CNM) Artículos
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