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Years ago I stumbled upon something related: it was a piece of transparent polymer or polycarbonate that would glow when exposed to infrared light. I tried to
by philprx 5y ago
Years ago I stumbled upon something related: it was a piece of transparent polymer or polycarbonate that would glow when exposed to infrared light.
I tried to find it again repeatedly, but never managed to find it. Anyone knows this?
- filmor 5y agoDo you mean something like this http://www.bromba.com/indicard/indicare.htm http://www.bromba.com/indicard/indicare.htm? I remember that we used this in experiments with IR lasers to ensure that the beam was where we expected it to be.
- deleted 5y ago[deleted]