Green Laser (532nm) vs. UV Laser (355nm): Which “Cold Marking” is Best for Glass and PCBs?
⚡ Quick Answer: The “Inside vs. Surface” Rule If you are in a rush to decide between Green and Ultraviolet (UV) lasers, the decision almost always comes down to depth and material absorption. Both are classified as “cold lasers” because they rely on photochemical ablation rather than just thermal melting. However, they interact with transparent materials…





















