On Thu, 14 Jun 2001 12:15:15 +0100, you wrote:
>>Kodak make some sort of lenses that convert IR to visible (yellowish)
>>light. They have been making them for a while now.
>This sounds like it might be what is in the sensor stick that I have that
>came from Kodak. The epoxy bit glows a yellowish green when illuminated with
>IR. It does not seem to need "charging" from some other light source like
>the credit card sized device mentioned elsewhere.
These card devices glow neon orange.
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In reply to: <013101c0f4c3$4a980250$5dbdf682@AG.rl.ac.uk>
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