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Basic configuration of magnetron with dielectric filled. Rc is the cathode radius. Ra is the anode radius. Rd is the cavity radius. θ is the half open angle of resonant cavity. Re is the inner radius of dielectric. ε0 is the permittivity of free space. εr is the relative permittivity of dielectric.
The cross-sectional profile of the MDO. α is the inner open angle of diffraction output. β is the outer open angle. The green parts are dielectric.
Scheme of the online filling dielectric.
Relation diagram of frequency and Re obtained by calculations, simulations, and experiments, when the MDO operates at 2π mode with of dielectric.
Waveform of microwave and its fast Fourier transformer obtained without the ceramics filled.
Waveform of microwave and its fast Fourier transformer obtained with two layers ceramics filled.
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