Re: [ATM] Thermal mirror deformation

[Jarvis Krumbein <jkoptic@juno.com>]

I would think that blowing the air through the plenum onto the surface of
the mirror might be more effective and would certainly be a great dew
preventer.

Jarvis Krumbein
 
On Wed, 30 Aug 2006 9:25:32 -0700 <starzkey@charter.net> writes:
> Someday, I'll get around to trying this idea, which has been kicking 
> around in the back of my head for years, but for now, I'll just ask 
> the group; Has anyone tried using a mirror with a central 
> perforation, mounted on a central hub that also functions as a 
> plenum for sucking a continuous stream of air from the region in 
> front of the  mirror surface and exhausting the air out the back? 
> The air might enter the plenum via a multitude of radially oriented 
> holes, located a small distance in front of the optical surface.
> 
> Scott Milligan
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> 
> 
 
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