This Ultraviolet display was made for the Open day in 2014.
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Ultraviolet display
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Tag Archives: Fluorescein
Fluorescein Display II
Now this is trippy. I knocked this up for my 2014 Open Day. Fluorescein powder dropped on a 3 foot column of water and lit by a 3 W UV light. In slow motion, the green fluorescent liquid forms inverted mushrooms, swirls, sheets and eddies which are constantly moving.
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Fluorescein
This is one drop of 40% concentrated Fluorescein dye dropped into water with some bleach alkalinisation which enhances the fluorescence under long wave UV light.
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Mystery Photos 1
How many lasers were used to make this photo? What is going on?
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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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