Someone has this:
GENERAL SCANNING HI MARK 400 LASER | eBay
for sale, and I can't really find any useful intel about it.
I know it's an engraver, but could it also be used for anything heavier than engraving (after some modding), or is it just a waste of space (pun intended).
Thanks in...
Just as it says on the tin, since I value my eye sight too much, I have no desire to fry my retina(s), so I was thinking whether for DVD-red lasers glasses like used in goggles for autogenic welding are safe enough?
Alternatively I also have glasses used for arc welding, but with those...
I've got a few melles-griot tubes and by the looks of them, there are 2 ruby rods at both ends, and in the tube itself is a He-Ne lamp.
The power is about 1 MW, so that's peanuts.
I was thinking of removing the middle part, and putting a Xenon bulb like used in automotive lightning between the...