Re: IR filters

[Whitson <whitson2@gte.net>]

Robert Houk - WorkGroup Server Firmware wrote:
> 
>    I have a couple PIAA 959s in my garage, they seem ideal candidates for
>    this modification.  All metal, they should take the heat of a big bulb.
>    Small, so smaller IR filter needed, and tidy.  How big a bulb?
> 
> How much power really is needed? The source laser *must* be down in the
> milliwatt range, and must be reading microwatt levels reflected back. It
> seems like a flashlight pointed at the source would completely swamp any
> reflected signal, let alone requiring megawatt QH bulb assemblies . . .
> Just kinda curious.           -RDH

If only a small source is needed, why not use superbright IR LED's ?
-- 
Whitson
'86 4KCSQ