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Physics-Uspekhi Volume 51 Number 4 Create an alert RSS this journal

S A Afanas'ev and D I Sementsov 2008 Phys.-Usp. 51 355 doi:10.1070/PU2008v051n04ABEH006502

Energy fluxes during the interference of electromagnetic waves

S A Afanas'ev1 and D I Sementsov1

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Abstract References

METHODOLOGICAL NOTES

Expressions are given for the interference energy flux (IEF) of the active and reactive components of co- and counterpropagating waves with an arbitrary structure of their electromagnetic field. The formation conditions of the IEF and its role in energy transfer processes are analyzed in the examples of homogeneous plane waves in an absorbing medium, directed planar-waveguide modes, and a system of radiating dipoles. The possibility of using the IEF for controlling the radiation, transfer, and dissipation of electromagnetic energy is discussed. The IEF of the waves of two coherent sources is shown to contain two interrelated components, which control different energy processes.


PACS

41.20.Jb Electromagnetic wave propagation; radiowave propagation

42.25.Hz Interference

42.25.Bs Wave propagation, transmission and absorption

Subjects

Accelerators, beams and electromagnetism

Optics, quantum optics and lasers

Dates

Issue 4 (2008)

Received 24 October 2007



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