resonant cavity


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resonant cavity

n
(Electronics) another name for cavity resonator
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Such a resonant cavity excited by a high frequency wave is able to split the beam into packets coming from the source and to accelerate while the focusing.
The setup is a radio-frequency resonant cavity shaped like a truncated cone, with one round end then larger than the other.
According to Wired UK, the study found that test results indicated that the RF [radio frequency] resonant cavity thruster design, which was unique as an electric propulsion device, was producing a force that was not attributable to any classical electromagnetic phenomenon and, therefore, was potentially demonstrating an interaction with the quantum vacuum virtual plasma, Discovery News reported.
In 2010, the researchers published an article in the Bioelectromagnetics journal titled "Absence of Nonlinear Responses in Cells and Tissues Exposed to RF Energy at Mobile Phone Frequencies Using a Doubly Resonant Cavity," which included findings from an extensive joint study between the University of Maryland and the British Health Protection Agency that found no causal relationship between cell phone signal exposure and any form of tissue damage.
If we consider a rectangular resonant cavity with a non-homogeneous dielectric with losses, the solving of the second order equations of the electromagnetic field is done using the Galerkin method, and we obtain the system of equations (1, 2), able to solve numerically the electromagnetic field in a microwave oven.
This part presents codes developed in FORTRAN, and provides a 3D tool library and two codes, one for resonant cavity problems and one for solving waveguide devices.
A microwave plasma in argon is generated inside a pyrex tube by a 3-kW power supply in combination with a magnetron, wave guide, and a resonant cavity.