What laser pointer does executive use?

Experts say that laser Pointers from the light are very bright, which is a great attraction for children, there are a lot of children's purchasing power, especially bright and powerful laser Pointers. But the laser pointer is even more damaging to the eye, and can easily lead to permanent blindness when its beam hits the eye directly. Cheap laser Pointers with designated power of up to 0.5MW can be easily purchased at corner houses or electronics stores. As class 3R laser equipment, these are commonly sold and used as so-called low power indicators and are advised to "avoid contact with the beam". The popular 500mW laser pointer DPSS (Diode pumped solid state) devices are usually made of neodymium-doped yttrium aluminum vanadate (Nd: YVO4) laser with a wavelength of 1064 nm, pumped by an 808 nm diode laser and doubled by a KTP crystal to halve the wavelength to output the desired 532 nm green light.