Journal
OPTICS COMMUNICATIONS
Volume 285, Issue 5, Pages 816-820Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2011.11.033
Keywords
Spherical silver nanoparticle; Effective polarizability of electrons; PMMA; Nanocomposite film; Quasi-zero refractive index; Ideal optical antireflection
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We have proved on the basis of the experimental optical reflection and transmission spectra of the nanocomposite film of poly( methyl methacrylate) with silver nanoparticles that (PMMA + Ag) nanocomposite films have quasi-zero refractive indices in the optical wavelength range. We show that to achieve quasi-zero values of the complex index of refraction of composite materials is necessary to achieve high-negative effective refractive index in the system of spherical silver nanoparticles. Crown Copyright (C) 2011 Published by Elsevier B.V. All rights reserved.
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