RFH D9-B series Water cooled UV laser covers power range from 3W up to 10W. Compared with similar products, D9-B series UV laser features rugged sealed cavity, extremely compact size, simple and robust structure, high stability, high efficiency, high reliability and excellent laser beam quality. Its compact design requires no large light path, which greatly saves space and reduces cost, making it easy to integrate into UV laser marking machines. In addition, D9-B series cavity structure delivers better stability and stronger scalability. The same laser cavity supports multiple power options, and the stability across different power levels is significantly improved, with higher overall cost performance