| Issue |
EPL
Volume 94, Number 1, April 2011
|
|
|---|---|---|
| Article Number | 14004 | |
| Number of page(s) | 6 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/94/14004 | |
| Published online | 04 April 2011 | |
Anomalous light absorption by small particles
1
A.N.Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences 28 Vavilova St., Moscow 119991, Russia
2
Moscow State Institute of Radioengineering, Electronics and Automation (Technical University) 78 Vernadskiy Ave., Moscow 119454, Russia
3
Max-Planck-Institut für Physik komplexer Systeme - Nöthnitzer Str. 38, Dresden 01187, Germany, EU
Received:
14
December
2010
Accepted:
8
March
2011
Light absorption by a spatially uniform spherical nanoparticle in the vicinity of surface plasmon (polariton) resonances is studied in detail based on the exact Mie solution. It is shown that the maximal absorption is achieved for a particle from weakly dissipating materials and may have very unusual properties. A simple universal formula describing the resonant absorption lineshape as a function of the particle size and its complex dielectric permittivity is obtained. Possible comparison with experiment is discussed.
PACS: 42.25.Bs – Wave propagation, transmission and absorption / 42.25.Fx – Diffraction and scattering / 78.67.Bf – Nanocrystals, nanoparticles, and nanoclusters
© EPLA, 2011
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