I've observed different flame behaviours when lasering.
Sometimes, there is a pretty even flame (i.e. no change in terms of intensity) when the material burns away.
But there also are times when the flame is pulsating. The change of light intensity is highly visible. Mr. Beam is running at 100% (and I guess the laser intensity is being modulated in the kHz range).
So my question is: What's a "good" flame behaviour (if there is any)?