Laser cutting is a non-contact, high-precision, high-quality and efficient cutting method that focuses energy into a small space and uses high-density energy. It is widely used for ultra fast processing of various metal and non-metallic materials such as stainless steel, aluminum, titanium alloy, sapphire, ceramics, glass, etc., such as PCB cutting, drilling, flat panel display tempered glass, film cutting, wafer lithography, and other various industrial manufacturing, solar power broadcasting, biological instruments, scientific research, etc.