257nm UV Laser with many features, Passively Q-switched UV Laser,Picosecond Pulsed UV Laser,Femtosecond Pulsed UV Laser.
257nm laser is one of the series of solid state laser. It is based on the fourth harmonic wave of Nd:YAG crystal. Q-switched crystal bonded with laser crystal is used to emit 800ps output beam. And it can also be called as 257nm microchip laser.