What is a Waveguide?

"Since a waveguide is a tube that allows waves to pass through, it is a term that can be used for both sound waves and visible light, but it is generally used as the name of a tube for passing electromagnetic waves with wavelengths near microwaves, and its shape is square or circular. It is a tube with a cross section of. Microwaves are used in microwave ovens and are electromagnetic waves that are highly effective in warming objects. However, due to the long wavelength, optical fiber cannot be used, and it is necessary to use a dedicated microwave waveguide when sending from the microwave source to the processing system.

Application of Waveguide

When using a waveguide, it is often a high-power microwave generator. With low output, a magnetron, which is a microwave generator like a household microwave oven, is installed inside the housing and can be directly irradiated. However, if the output is high, the magnetron itself will be destroyed by the microwave, so it is necessary to perform irradiation processing in another place. For this reason, a waveguide is connected to the processing chamber for processing such as heating, and microwaves are supplied.

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