[Laser] UV Sheet???

[Thomas Upton]

A question for all the laser list....  would not a diffraction grating
tuned to "Beyond Violet" ie., the UV, do what KD7JYK is asking for?

Tom Upton  AD6N

kd7jyk@ross-technologies.com wrote:

> A while back I bought a sheet of IR lexan.  This sheet
> is black in appearance and blocks 99.9% of light
> visible to the human eye while passing IR.
>
> I am in need of an equivelent in the UV range.
> Searching the internet reveals IR filters, which block
> UV!  This won't work, I need somethig that blocks most
> visible light and passes UV, the equivelent of a very
> dark black light but in a flat material I can cut
> lenses from.
>
> I have found UV bulbs, but they look like a white light
> with a blueish tint to them when lit, I need something
> that appears almost black or a very dark almost
> invisible purple to the human eye.
>
> Is there anything out there on the market?
>
> What would something like this be called?
>
> What/Where should I be looking?
>
> Kurt
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