[SML] Ultraviolet Video Projector?

[mouse at fieldmousepro.com]

I'm not sure if it will generate the effect you want, but a simpler idea 
would be to use an ellipsoidal fixture with a blacklight lamp, and stick 
a rotating gobo or animation effect in the gate.

Stephen

On 2023-08-10 8:07 am, Joe via Stagecraft wrote:

> I had an effect in mind that would benefit from a video projector that 
> used ultraviolet light. I realize that there is no such thing on the 
> market. But, I wonder how hard it would be to create such a thing.
> 
> Version A) If I hack a DLP projector that uses a discharge lamp, I 
> imagine that lamp puts out some UV.  Perhaps simply placing a UV 
> passing filter in the optical path, and also removing the color wheel, 
> would give me a UV projector? Though, I wonder if there may be other 
> things in the optical path that may block UV.
> 
> Version B) Decades ago, I recall using a video projector system that 
> consisted of an LCD flat panel, that was simply placed on the surface 
> of an overhead projector. Such a system seems to be easy to hack into a 
> UV projection system.  I've seen a video to hack an LCD screen to make 
> a projector. https://www.youtube.com/watch?v=YfvTjQ9MCwY  I know in the 
> panel itself, there is a color filter system to color each pixel. But, 
> I doubt I can simply remove the color filter part. Does anyone know 
> otherwise?  I know there are 3-LCD projectors that put light through 3 
> separate LCDs, and those LCDs would not have any color filters on them. 
> But, they would be small LCD screens, and would seem to depend on a 
> very small and well focused light source.
> 
> I am not at all certain I will use a UV projector for the effect. But 
> if it were a very easy thing to try out, I may at least play with the 
> idea.  Any comments?
> 
> -Joe
> ____________________________________________________________
> For list information see <http://stagecraft.theprices.net/>
> Stagecraft mailing list
> Stagecraft at theatrical.net
> http://theatrical.net/mailman/listinfo/stagecraft_theatrical.net
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://theatrical.net/pipermail/stagecraft_theatrical.net/attachments/20230810/c9f93db0/attachment.html>