The Absorptivity of a Nanocomposite Layer with Spherical Metal Inclusions

The dependences of the absorptivity of a nanocomposite layer (a dielectric matrix with spherical metal inclusions) on the frequency, the volume fraction, the size of inclusions, the thickness of the layer, and the angle of incidence of the wave on it are studied. It is shown that the particular feat...

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Bibliographic Details
Published in:Optics and spectroscopy 2018-06, Vol.124 (6), p.871-877
Main Authors: Eliseeva, S. V., Sementsov, D. I.
Format: Article
Language:English
Subjects:
ABSORPTIVITY
Dependence
DIELECTRIC MATERIALS
Dielectrics
FREQUENCY DEPENDENCE
INCIDENCE ANGLE
Incident radiation
INCLUSIONS
Lasers
LAYERS
METALS
NANOCOMPOSITES
NANOPARTICLES
NANOSCIENCE AND NANOTECHNOLOGY
Optical Devices
Optical properties
Optics
PERMITTIVITY
Photonics
Physical Optics
Physics
Physics and Astronomy
PLASMONS
RESONANCE
SPHERICAL CONFIGURATION
THICKNESS
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Description
Summary:The dependences of the absorptivity of a nanocomposite layer (a dielectric matrix with spherical metal inclusions) on the frequency, the volume fraction, the size of inclusions, the thickness of the layer, and the angle of incidence of the wave on it are studied. It is shown that the particular features of optical characteristics are related with the plasmon resonance in nanoparticles and the resonant-frequency dependence of the dielectric permittivity of the composite medium. The values of film parameters and frequency intervals in which the incident radiation is absorbed almost completely are found.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X18060061