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The cavity magnetron is a high-power vacuum tube used in early radar systems and subsequently in microwave ovens and in linear particle accelerators. A cavity magnetron generates microwaves using the interaction of a stream of electrons with a magnetic field, while moving past a series of cavity resonators, which are small, open cavities in a ...
The helical gyrotron electron beam can amplify an applied microwave signal similarly to the way a straight electron beam amplifies in classical microwave tubes such as the klystron, so there is a series of gyrotrons that function analogously to these tubes. Their advantage is that they can operate at much higher frequencies.
The Hull magnetron was tested as an amplifier in radio receivers and also as a low-frequency oscillator. It was reported in 1925 that a magnetron made at GERL could generate a power of 15 kW at a frequency of 20 kHz. At the time Hull anticipated that the magnetron would find greater use as a power converter than in communication applications.
A microwave oven or simply microwave is an electric oven that heats and cooks food by exposing it to electromagnetic radiation in the microwave frequency range. [1] This induces polar molecules in the food to rotate and produce thermal energy (heat) in a process known as dielectric heating .
The two then considered what would happen if the two metal plates of the magnetron were replaced by resonators, essentially combining the existing magnetron and klystron concepts. The magnet would cause the electrons to travel in a circle, as in the case of the magnetron, so they would pass by each of the resonators, generating microwaves much ...
A horn antenna or microwave horn is an antenna that consists of a flaring metal waveguide shaped like a horn to direct radio waves in a beam. Horns are widely used as antennas at UHF and microwave frequencies, above 300 MHz. [ 1 ]
On 23 January 2023, Epirus was awarded a $66.1 million contract by the Rapid Capabilities and Critical Technologies Office (RCCTO) to deliver the Leonidas to the U.S. Army as part of the Indirect Fire Protection Capability-High-Power Microwave (IFPC-HPM) program after outperforming six other systems. Four prototypes were to be produced by 2024 ...
In atomic physics, the Bohr magneton (symbol μ B) is a physical constant and the natural unit for expressing the magnetic moment of an electron caused by its orbital or spin angular momentum.