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Fig.1. General view of the structure
Application of Frequency Domain Monitors (FDM) for microwave heating
Microwave heating in the cavity ovens at 2.45 GHz seems to be a common application of Frequency Domain Monitors, since we optimise a design of microwave oven for a single frequency, explicitly known. Hence, we may excite the scenario with pulse to get the |S11| spectrum and during the same simulation we will get the electromagnetic field distribution at 2.45 GHz.
Fig.2. Real part of the complex Poynting vector at 2.45 GHz in the XZ cross-section of cavity
Fig. 2 shows the real part of the complex Poynting vector at 2.45 GHz in the XZ cross-section of the oven. We may notice that the energy is indeed injected through the input waveguide. Major part of the power circulates at the top of the cavity producing standing wave distribution but there is also some amount of power flowing under the glass plate and consequently up to the lossy load.
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