Visible optical sources that are intense enough to be potentially hazardous are
painful to look at. The safety standards assume that an aversion response,
blinking or looking away, will happen in no longer than 0.25 seconds. This
however can be overcome by an act of will, such as when people w
Hi Charlie,
A slight aside: I'm not a laser expert, but is there a way of soft starting
the laser over the course of a couple of seconds, perhaps via PWM, that
could be used to mitigate the hazard associated with sudden beam appearance?
All the best
James
From: Charlie Blackham [mai
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