Can I get this in the reverse sense ???

I want invisible IR light from IR-diodes to activate a paint and dye =
that wil glow or fluoresce...
The dye should be water solvable and oil-based, not pigment based.  (Or =
it will wear out my pump blades)


----- Original Message -----=20
From: "L Vetrivel" <Lvetri@AOL.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Tuesday, June 12, 2001 1:49 AM
Subject: Re: [PICLIST] [EE]: IR fluorescence


> Jinx,
> There are substances which absorb visible wavelengths and fluoresce in =
IR.
> These are susually organic dyes. Search for IR Dyes in any search =
engines.
> The problem however will be their stability and cost and these =
chemicals come
> with big warning labels(about handling these chemicals). Usually these =
dyes
> absorb around green.
> Wouldn't you prefer to use a some sort of night vison google(Edmund
> Scientific) and use simple IR led's to illuminate the objects. They =
work very
> well.
> Vetri
>=20
> --
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>=20
>=20

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