3w 5w uv laser source marking plastic with excellent laser beam quality S9-Y series solid state pulsed UV laser is ultra compact. The whole part of power supply is integrated into the laser head. This makes the size of the laser more smaller, and the integration into a system more easier and convenient. S9-Y series is of short pulse width(<12ns@30k)，superior beam quality(M²<1.2) and perfect laser sport quality(beam circularity>90%).