Assesment of coaxial filters for the instalation of metallic mode stirrers or turntables in multimode microwave ovens
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URI: http://hdl.handle.net/10317/13296Compartir
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Díaz-Morcillo, Alejandro Benedicto; Monzó Cabrera, Juan; Martínez González, Antonio Manuel; Lozano Guerrero, Antonio José; Fayos Fernández, José; [et al.]Área de conocimiento
Teoría de la Señal y las ComunicacionesFecha de publicación
2021Editorial
Rise Research Institute of SwedenCita bibliográfica
Juan Monzo-Cabrera, Alejandro Díaz-Morcillo, Antonio Martínez-Gonzalez, Antonio Lozano-Guerrero, José Fayos-Fernández, Rafael Pérez-Campos, "Assesment of coaxial filters for the instalation of metallic mode stirrers or turntables in multimode microwave ovens", 18th International Conference on Microwave and High Frequency Applications (AMPERE 2021), Gothenburg, Sweden, September 13-16, 2021.Palabras clave
MicrowaveLeakage
Filter
Resumen
In this contribution authors show the usage of several coaxial filters that avoid microwave leakage when using metallic mode stirrers within microwave multimode cavities. We describe the simulation schemes and characteristics for the different coaxial filters employed when introducing the metal axis of the mode-stirrer in the applicator.
Additionally, the measurement setup that allows to validate the filtering capabilities is also described in detail. Figure 1 shows the cross-section scheme of a typical multimode microwave cavity. A waveguide feeding port is used to introduce the microwave energy in the cavity. The movement of the mode stirrer causes different electric field distribution patterns within the cavity and the material which may result in the reduction of cold and hot spots. Metallic materials are preferred versus dielectric ones to manufacture stirrers because metals are more effective than dielectrics to reflect and stir the microwave energy.
However, when the metallic ...
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