LPF Site Supporter
- Sep 4, 2018
But I can get a 4W (they don't have 5) from this jetlaser place with no issue?
Burning isn't all about raw power either though - Burning effectively requires high power density. i.e. To burn effortlessly, you want a small sharp dot - High-power multi-mode diodes (all of the multi-watt blue ones are) have generally got poorer divergence and the dot appears as a stripe or rectangle.
You can get a 1.5w 405nm diode that can be focused much tighter and although the optical output power might be lower, you may find it burns far better than a 2W or 3W 445nm due to the much better beam specifications. Won't be as visible though as eye sensitivity to 405nm is far lower than 445nm.