Purcell factor in small metallic cavities

We have studied theoretically the Purcell factor which characterizes a change in the emission rate of an electric or magnetic dipole embedded in the center of a spherical cavity. The main attention is paid to the analysis of cavities with radii small compared to the wavelength. It is shown that the...

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Bibliographic Details
Published in:Physics of the solid state 2011-09, Vol.53 (9), p.1753-1760
Main Authors: Glazov, M. M., Ivchenko, E. L., Poddubny, A. N., Khitrova, G.
Format: Article
Language:English
Subjects:
Analysis
Emissions (Pollution)
Metals
Nuclear radiation
Physics
Physics and Astronomy
Solid State Physics
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Summary:We have studied theoretically the Purcell factor which characterizes a change in the emission rate of an electric or magnetic dipole embedded in the center of a spherical cavity. The main attention is paid to the analysis of cavities with radii small compared to the wavelength. It is shown that the Purcell factor in small metallic cavities varies in a wide range depending on the ratio of the cavity size to the skin depth.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783411090125