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- Title
Inversion of absorption and scattering at plasmon resonance in nanoparticles with a metallic sheath.
- Authors
Sidorov, A. I.
- Abstract
Numerical simulation of the optical properties of spherical nanostructures comprising an absorbing (amplifying) insulating core and a metallic sheath is carried out under the conditions of plasmon resonance. A decrease in the absorption by the core is shown to increase the cross sections of absorption and scattering by the nanostructure in the plasmon resonance spectral range. If the core exhibits amplification, an extra resonance arises, causing a change in the dependence of the absorption cross section on the amplification factor. Conditions for such a resonance to appear are considered.
- Subjects
SURFACE plasmon resonance; OPTICAL properties of spheroidal states; OPTICAL pumping; REFRACTIVE index; ABSORPTION spectra
- Publication
Technical Physics, 2006, Vol 51, Issue 10, p1386
- ISSN
1063-7842
- Publication type
Article
- DOI
10.1134/S1063784206100239