Tungsten crucible, as a high-temperature container made of high-purity tungsten material, plays an irreplaceable key role in the field of rare metal smelting due to its excellent high temperature resistance, chemical stability and mechanical strength. 

Barium tungsten electrode is a hot cathode material widely used in vacuum electronic devices, known for its high electron emission ability and stability. The uniformity of electron emission is crucial to improving device performance, optimizing current distribution and extending service life.

The stability of barium tungsten electrodes in high-power laser systems is a key factor in ensuring system performance consistency and service life. Barium tungsten electrodes are usually made of tungsten, which is widely used in laser systems due to its high melting point and good durability, while the addition of barium is usually used to enhance the electron emission performance of the electrode. In high-power laser applications, the electrodes need to withstand extreme conditions, including high temperatures, electrical stress, and possible material degradation, all of which affect their stability.

There is a close relationship between the micromorphology of barium tungsten electrode and its performance. The micromorphology mainly includes characteristics such as grain size, porosity, surface roughness, etc. These characteristics directly affect the working performance of the electrode under high temperature and high current density environment.