T. D. Rudakov, A. S. Astrakhantseva, S. M. Makarovskaya, V. V. Soloviev, I. V. Kukushkin
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Abstract
It is discovered that the effect giant enhancement of the intensity of inelastic light scattering and the considerable dependence of the coefficient enhancement on the thickness of a metal (silver) can be observed in metallic films with periodic holes (the size of a square hole is half the period). It is shown that strong oscillations of the coefficient of enhancement are observed when the thickness of a silver film is changed in the range of 5 to 140 nm, and the amplitude of the oscillations can be more than an order of magnitude. The observed oscillations are explained in terms of the resonant excitation of standing plasmon–polariton waves in metal films, the dispersion of which changes strongly along with the variation of the metal’s thickness.
期刊介绍：
Bulletin of the Russian Academy of Sciences: Physics is an international peer reviewed journal published with the participation of the Russian Academy of Sciences. It presents full-text articles (regular, letters to the editor, reviews) with the most recent results in miscellaneous fields of physics and astronomy: nuclear physics, cosmic rays, condensed matter physics, plasma physics, optics and photonics, nanotechnologies, solar and astrophysics, physical applications in material sciences, life sciences, etc. Bulletin of the Russian Academy of Sciences: Physics focuses on the most relevant multidisciplinary topics in natural sciences, both fundamental and applied. Manuscripts can be submitted in Russian and English languages and are subject to peer review. Accepted articles are usually combined in thematic issues on certain topics according to the journal editorial policy. Authors featured in the journal represent renowned scientific laboratories and institutes from different countries, including large international collaborations. There are globally recognized researchers among the authors: Nobel laureates and recipients of other awards, and members of national academies of sciences and international scientific societies.
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