The main application of barium tungsten electrodes in HID (high-intensity discharge lamps) is reflected in their excellent electrical and physical properties. Because barium tungsten electrodes have low work function (φ=1.6ev), high current density (10A/cm²), excellent starting performance, and large energy output, they are very suitable for use in HID lamps.
Specifically, barium tungsten electrodes mainly undertake the function of electron emission in HID lamps. During the operation of HID lamps, barium tungsten electrodes can provide stable and efficient electron emission, which helps HID lamps produce bright and stable light. At the same time, the excellent performance of barium tungsten electrodes can also improve the starting performance and energy utilization efficiency of HID lamps, which significantly improves the lighting effect and service life of HID lamps.
In addition to HID lamps, barium tungsten electrodes are also widely used in other optoelectronic products, such as navigation marks, target tracking, stage and dance hall effect display, film and television projection recording, laser mercury ion, medical positioning treatment light source and military weapons. These applications fully demonstrate the important position and role of barium tungsten electrodes in optoelectronic products.
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