3W 5W UV laser for laser Marking Machine, the Expert II 355 series UV DPSS laser from Rfhlaser, stands out as the best in 2020. Specifically designed for applications like SLA 3D printing, laser marking, precision cutting, drilling, wire stripping, Er:YAG laser cosmetics, and glass engraving, this laser offers a power range of 3.0w to 5.0w.

With a laser wavelength at 354.7nm and exceptional beam quality (M²<1.2), it ensures a short pulse width (<12ns@30K) and superior spot quality (beam circularity >90%).

The Q-switching technology, harmonic coupling, and digital control make it adaptable and stable. Its compact design and easy installation cater to industrial needs, providing a reliable solution for various applications.

Expert Ⅱ 355 series uv laser characteristics：
1. Laser wavelength at 354.7nm,  repetition rates cover a wide range(single pulse to 200kHz）; laser power ranging from 3.0w-5.0w;

2. Exceptional beam quality (M²<1.2) ，absolutely assured in all repetition rates; relatively short pulse width <12ns@30 with little heat transfer to surrounding material; perfect beam spot quality(Beam Circularity>90%)

3. Unique Q-switching technology, adapts a variety of control requirements of laser applications;
Online refreshment for harmonic coupling technology;Excellent long term power stability

4. Digital control technology for the driver, enables user to command through RS232

5. This laser adopts one - style design with compact and reasonable structure, easy installation.

6. Industrial production process control technology,provides quality stable products.