Laser electron tube belongs to the optoelectronic information industry. A laser electron tube, also known as a laser, is an electronic device capable of generating laser light. It has a wide range of applications in communication, medical, military, industrial and other fields, promoting the development of these fields. Due to the special nature and wide application of lasers, laser electron tubes are categorized as part of the optoelectronic information industry, as one of the important equipment in this industry.