Сибирский федеральный университет

Тип публикации: статья из журнала

Год издания: 2015

Идентификатор DOI: 10.1134/S0030400X15070280

Ключевые слова: Absorption spectroscopy, Crystal defects, Crystal structure, Defects, Energy gap, Nanocomposites, Nanoparticles, Natural frequencies, Bragg diffraction, Gold Nanoparticles, Multilayer dielectrics, One dimensional photonic crystal, Spectral properties, Transmission and absorption, Transmission spectrums, Transparent matrix, Photonic crystals

Аннотация: The spectral properties of a one-dimensional photonic crystal (PC) with a structure defect (a layer of isotropic nanocomposite inserted between two multilayer dielectric mirrors) have been investigated. The nanocomposite consists of spherical gold nanoparticles dispersed in a transparent matrix; it is characterized by effective resonant permittivity. The dependence of the transmission and absorption spectra on the size and concentration of nanoparticles is analyzed. It is shown that the transmission spectrum contains, along with the band gap caused by Bragg diffraction of light, an additional nontransmission band due to the nanocomposite absorption near the resonant frequency.

Журнал: OPTICS AND SPECTROSCOPY

Выпуск журнала: Vol. 119, Is. 1

Номера страниц: 66-69

ISSN журнала: 0030400X

Место издания: NEW YORK

Издатель: MAIK NAUKA/INTERPERIODICA/SPRINGER

• Vetrov S.Y. (Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences)
• Pankin P.S. (Institute of Engineering Physics and Radio Electronics, Siberian Federal University)
• Timofeev I.V. (Laboratory for Nonlinear Optics and Spectroscopy, Siberian Federal University)

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