Experimental Investigation on Flanged Parallel-Plate Dielectric Waveguide Probe for Detection of Conductive Inclusions in Lossy Dielectric Medium

2010 ◽  
Vol 24 (5-6) ◽  
pp. 681-693 ◽  
Author(s):  
H. Zhang ◽  
S. Y. Tan ◽  
H. S. Tan
Keyword(s):  
Experimental Investigation ◽  
Parallel Plate ◽  
Dielectric Waveguide ◽  
Dielectric Medium ◽  
Lossy Dielectric

scholarly journals EXCITATION OF THE WAKE WAVES BY A LASER PULSE IN ION DIELECTRICS

2020 ◽  
pp. 53-58
Author(s):  
V.A. Balakirev ◽  
I.N. Onishchenko
Keyword(s):  
Laser Pulse ◽  
Electromagnetic Waves ◽  
Dielectric Waveguide ◽  
Temporal Structure ◽  
Microwave Frequency ◽  
Electric Polarization ◽  
Dielectric Medium ◽  
Frequency Spectra ◽  
Polarization Electric Field ◽  
Spatio Temporal

The process of excitation of Cherenkov electromagnetic radiation by a laser pulse in ion dielectric waveguide is investigated. Nonlinear electric polarization in isotropic ion dielectric medium and, accordingly, polarization charges and currents induced by a ponderomotive force of a laser pulse are determined. Frequency spectra of the excited wakefields in the infrared and microwave frequency ranges are obtained. The spatio-temporal structure of the wakefield in ion dielectric waveguide is obtained and studied. It is shown that the excited field consists of a potential polarization electric field, as well as a set of eigen electromagnetic waves of ion dielectric waveguide.

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