Barium tungsten emitter hollow cathode has a wide range of uses, mainly in the field of vacuum electronic devices. The following are its main uses:
Provide high-energy electrons for the ionization of propellants and neutralize thruster plumes
Barium tungsten emitter hollow cathodes can be used in low-power Hall thrusters and ion thrusters to ionize propellants by emitting high-energy electrons and neutralize plumes during thruster operation, thereby ensuring the stable operation of the thrusters.
Microwave electron tubes
In microwave electron tubes, barium tungsten emitter hollow cathodes serve as electron sources to provide devices with stable, high-density electron beams. These electron beams are modulated and amplified in microwave tubes to ultimately produce high-frequency electromagnetic waves.
Particle accelerators
In particle accelerators, barium tungsten emitter hollow cathodes are used to generate high-energy electron beams, which are accelerated and hit target materials to produce various charged particles. These particles have a wide range of applications in scientific research, medical and industrial fields.
Other vacuum electronic devices
In addition to the above applications, barium tungsten emitter hollow cathodes can also be used in various other vacuum electronic devices, such as displays, sensors, etc. In these devices, barium tungsten emitter hollow cathodes act as electron sources or signal sources to provide stable electron beams or signals for the devices.
The reason why barium tungsten emitter hollow cathodes have such a wide range of uses is that they have the advantages of high efficiency, stability, and long life. In addition, their compact structure, small size, and light weight also make them an indispensable part of various vacuum electronic devices.
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