Different laser wavelengths which band burning something stronger?
405nm laser has the most powerful to burn object, but portable laser cannot be made to very high output, low beam light, even cannot be seen in daytime.
2W near infrared is very powerful, but divergence, beam spot almost invisible;
The high power of 532/635/650nm, can be long distance to burning object, the effect much better than blue.
445nm, single photon energy is very high, so as power, short distance burning is the best, but the burning ability will decline when the distance being longer, but with the increase of output, the long distance burning effect will gradually catch up the low power of green.