Tag Archives: goggles

Fresnel lens

The heating effect of 300 W focussed by the Fresnel lens is remarkable.Now this is HOT. A high quality Fresnel lens melts brick.
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Argon Laser 40 mW Blue

Argon laser 40 mW Blue

Argon Laser 40 mW Blue Laser, multi-line. Unusual in that it has multiple spectral lines. Of course these days, simple handheld diode lasers can be much brighter than this. The power supply and control unit are on the left and the head unit with fan on top. The beam is highlighted by a water spray. I love electronics with a key start.
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