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Proximal gap-plasmon nanoresonators in the limit of vanishing inter-cavity separation

Publications associées (43)

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Liquid crystal plasmonic metamaterials

Toralf Scharf

Metamaterials today are often realized as complex structured metasurfaces. Their functionality is based on combination of plasmonic resonances in metallic nanostructures and interferences. Novel concepts of bottom up fabrication using liquid crystal self-o ...

Spie-Int Soc Optical Engineering2013

Understanding CO2 Dynamics in Metal–Organic Frameworks with Open Metal Sites

Berend Smit

Hopping along: Metal-organic frameworks such as Mg-MOF-74 possess open metal sites that interact strongly with CO2. Molecular simulations reveal detailed CO2 dynamics (hops between metal sites and localized fluctuations), which can be used to accurately ex ...

WILEY-VCH Verlag2013

Porous metal article and method of producing a porous metal article

Andreas Mortensen

A process for producing a metal article containing at least 10% interconnected porosity, using a preform (11), comprising: mixing an organic binder, a wetting agent and a granular material, to obtain a mouldable paste that combines 10 vol. pct. or more of ...

2012

Compound resonance-induced coupling effects in composite plasmonic metamaterials

Olivier Martin, Arash Farhang

We study a compound plasmonic system composed of a periodic Au grating array placed close to a thin Au film. The study is not limited to normal incidence and dispersion diagrams are computed for a broad variety of parameters. In addition to identifying loc ...

Optical Society of America2012

Ab-initio Carbon Capture in Open-Site Metal Organic Frameworks

Berend Smit

During the formation of metal–organic frameworks (MOFs), metal centres can coordinate with the intended organic linkers, but also with solvent molecules. In this case, subsequent activation by removal of the solvent molecules creates unsaturated ‘open’ met ...

2012

A bottom-up approach to fabricate optical metamaterials by self-assembled metallic nanoparticles

Toralf Scharf

We introduce a novel bottom-up approach to fabricate by self assembly a metamaterial from metallic nanoparticles in a two-step process. In the first step, a metamaterial made of densely packed silver nanoparticles is required. The material dispersion with ...

2012

Refractive index sensor based on slot waveguide cavity

Hans Peter Herzig, Qing Tan, Armando Cosentino

The experimental study of a gold slot waveguide cavity is presented. The resonance of this cavity working in the telecom wavelength range is highly dependent on the refractive index of the medium located in or around the slots array, because of the high co ...

European Optical Soc2012

Rational design and optimization of plasmonic nanoarrays for surface enhanced infrared spectroscopy

Hatice Altug, Shyamsunder Erramilli

We present an approach for rational design and optimization of plasmonic arrays for ultrasensitive surface enhanced infrared absorption (SEIRA) spectroscopy of specific protein analytes. Motivated by our previous work that demonstrated sub-attomole detecti ...

2012

Plasmonic nanoparticles for a bottom-up approach to fabricate optical metamaterials

Toralf Scharf

We investigate experimentally metallic nanoparticle composites fabricated by bottom-up techniques as potential candidates for optical metamaterials. Depending on the plasmonic resonances sustained by individual NPs and their nanoscale organization into lar ...

Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa2012

Influence of electromagnetic interactions on the lineshape of plasmonic Fano resonances

Olivier Martin, Benjamin Gallinet

The optical properties of plasmonic nanostructures supporting Fano resonances are investigated with an electromagnetic theory. Contrary to the original work of Fano, this theory includes losses in the materials composing the system. As a result, a more gen ...

American Chemical Society2011