Re: [ATM] Banishing the diagonal

[Ken Lowther <hermit@outofoptions.org>]

Quoting Don Clement <clement.focuser@verizon.net>:

>> You are right of course. I completely forgot the heat factor and,
>> that consideration is not likely to go away unless there's a
>> major breakthrough in technology.
>>
>
> I see no reason why the cooled ccd detector has to generate heat in the
> optical path. One method might be to insulate the detector ( vacuum?) and
> carry the heat generated by a thermoelectric cooling device  away using a
> liquid in insulated  tubing. Or use remote cooling with the cooled liquid
> piped to the ccd in insulated tubing.
>

So, in order to reduce diffraction you put the ccd in the light path and then
run cooling tubes to it?   Sounds like we have come back around to the 
original
problem. ;-)



Hermit, holed up in Youngstown, Ohio
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