Active Maxwell–Garnett composite with the unit refractive index

Optical properties of a three-dimensional composite medium consisting of an amplifying matrix with inclusion of silver nanoparticles of various shapes are investigated theoretically. Behaviour of the amplification coefficient of active component required for compensating energy dissipation at metal...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 2010-07, Vol.405 (14), p.3042-3045
Main Author: Moiseev, Sergey G.
Format: Article
Language:English
Subjects:
Active component
Amplification
Approximation
Condensed matter
Inclusions
Mathematical analysis
Maxwell–Garnett homogenization formalism
Metamaterials
Nanoparticles
Refractive index
Refractivity
Unique properties
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Summary:Optical properties of a three-dimensional composite medium consisting of an amplifying matrix with inclusion of silver nanoparticles of various shapes are investigated theoretically. Behaviour of the amplification coefficient of active component required for compensating energy dissipation at metal inclusions is studied. Results of exact electrodynamical calculations of conditions for obtaining the unit refractive index and that performed using electrostatic approximation (Maxwell–Garnett approach) are compared.
ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2010.01.045