Results 241 to 250 of about 216,031 (287)

Local-field enhancement in metallic nanoplanets

Materials Science and Engineering B: Solid-State Materials for Advanced Technology, 2008
Abstract Generalized Multiparticle Mie theory is applied in order to study in detail local-field properties of metallic nanoplanets (i.e., a central cluster surrounded by small “satellite” clusters very close to its surface), obtained by ion beam techniques. Strongly asymmetric dimers are chosen as model systems in order to establish the influence of
G Mattei, V Bello
exaly   +3 more sources

Local Capacitor Model for Plasmonic Electric Field Enhancement

Physical Review Letters, 2009
We present a local capacitor model that enables a simple yet quantitatively accurate description of lightning rod effect in nanoplasmonics. A notion of lambda-zone capacitance is proposed and applied to predict the strongly induced electric field by a light source near nanoscale metal edges such as metal tip or metal gap.
Kang, J. H., Kim, D. S., Park, Q-Han
openaire   +4 more sources

Plasmonic nanostructures for local field enhancement in the UV region

Photonics and Nanostructures - Fundamentals and Applications, 2014
In this work we describe an ultraviolet subwavelength focusing in plasmonic nanostructures. A system which provides a 20-25 times local field enhancement at a wavelength of 350 nm is proposed.
Sergey Sukhov, Alex Krasnok
exaly   +3 more sources

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Excitation of Local Field Enhancement on Silicon Nanowires

Nano Letters, 2008
The interaction between light and reduced-dimensionality silicon attracts significant interest due to the possibilities of designing nanoscaled optical devices, highly cost-efficient solar cells, and ultracompact optoelectronic systems that are integrated with standard microelectronic technology.
Linyou, Cao, Bora, Garipcan, Eric M, Gallo, Stephen S, Nonnenmann, Bahram, Nabet, Jonathan E, Spanier   +5 more
openaire   +2 more sources

Enhancement Mode Ga2O3 Field Effect Transistor with Local Thinning Channel Layer

Crystals, 2022
β−Ga2O3 field−effect transistors (FETs) were fabricated with and without local thinning to change the threshold voltage. A 220 nm Ga2O3 layer was mechanically exfoliated from a Cr−doped gallium oxide single crystal.
Lei Ge, Wenxiang Mu, Qian Xin
exaly   +2 more sources

Transition metamaterials for local-field enhancement

Conference on Lasers and Electro-Optics, 2017
We achieve strong local-field enhancement within a novel inhomogeneous metamaterial whose graded refractive index is realized using Dirac-cone metamaterials. This transition metamaterial provides a powerful tool for sensing, nonlinear optics, and quantum optics.
Yang Li, Philip Camayd-Muñoz, Daryl I. Vulis, Peter Saeta, Yu Peng, Orad Reshef, Olivia Mello, Haoning Tang, Marko Lončar, Eric Mazur   +9 more
openaire   +1 more source

Local-field Enhanced Optical Nonlinearities

Nonlinear Optical Properties of Materials, 1988
We discuss the enhancement of optical nonlinearities due to local—field effects associated with small particles. This phenomenon is important for the large nonlinear response observed from optical phase conjugation in glass materials impregnated with metal or semiconductor microcrystallites1,2, and from surface-enhanced Raman scattering3 Predictions of
J. W. Haus, N. Kalyaniwalla
openaire   +1 more source

Evanescent wave scattering and local electric field enhancement at ellipsoidal silver particles in the vicinity of a glass surface

Journal of the Optical Society of America A: Optics and Image Science, and Vision, 2004
We report on the numerical analysis of the local electric field enhancement of nanosized silver ellipsoids placed in the evanescent field near a glass surface.
Jan Renger, Volker Deckert, Stefan Grafstrom   +2 more
exaly   +2 more sources