Universal Formulas for Calculating Emissivity and Integral Radiation Flux Densities of Black Bodies and Subwavelength Particles

Universal formulas are derived for calculation of the emissivity and integral densities of radiation fluxes for objects having dimensions much greater than the emitted wavelengths (large objects) and subwavelength objects (particles). An advantage of the proposed calculation method based on the theo...

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Bibliographic Details
Published in:Journal of communications technology & electronics 2022-12, Vol.67 (Suppl 1), p.S91-S96
Main Authors: Sviridov, A. N., Saginov, L. D.
Format: Article
Language:English
Subjects:
Analysis
Communications Engineering
Electric waves
Electromagnetic radiation
Electromagnetic waves
Electromagnetism
Emissivity
Engineering
Fluxes
Mathematical analysis
Networks
Radio Phenomena in Solids and Plasma
Specific gravity
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Summary:Universal formulas are derived for calculation of the emissivity and integral densities of radiation fluxes for objects having dimensions much greater than the emitted wavelengths (large objects) and subwavelength objects (particles). An advantage of the proposed calculation method based on the theory of modes is related to an exact relationship of the size, shape and temperature of objects and the emissivity and integral densities of radiation fluxes. In addition, the method is easier to implement and more demonstrative in comparison with alternative techniques.
ISSN:1064-2269
1555-6557
DOI:10.1134/S1064226922130095