A microwave cavity is a structure used to confine and manipulate microwave radiation, which typically operates at frequencies ranging from about 300 MHz to 300 GHz. These cavities are specifically designed to resonate at certain frequencies, allowing them to enhance the intensity of the electromagnetic fields within the cavity. Microwave cavities can take various forms, such as rectangular or cylindrical shapes, and are usually made of conductive materials that reflect microwaves effectively.
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