[Halld-cal] Fwd: Fwd: Light guides for Regina (from Zisis)

[Elton Smith]

-------- Original Message --------
Subject: 	Light guides for Regina
Date: 	Wed, 31 Aug 2011 14:39:49 -0600
From: 	Zisis Papandreou <zisis at uregina.ca>
To: 	Will Brooks <brooksw at jlab.org>
CC: 	Andrei Semenov <semenov at jlab.org>, Elton Smith <elton at jlab.org>, 
Christine Kourkoumelis <hkourkou at phys.uoa.gr>, George Lolos 
<George.Lolos at uregina.ca>



Hello Will:

Below is our original request.  We discussed our plans here and now wish 
to ask only for 8 LGs (down from 12), again, according to the specs 
below.  If you have such units with the 'old dimensions' great. 
  Otherwise, our constraint, based on our setup, is viewports of 
20x20mm^2 on the calorimeter side, so we would like to get LGs that 
closely match these, not exceeding that dimension too much (there is 
some slack to re-machine those windows to 1-2 mm more), and not too much 
smaller.  Please have a look at your inventory, and if you can't decide, 
please send us the specs on what you have and we can pick from the list 
of old ones if possible, trying to use those up and not request new ones.

Thanks and cheers, Zisis...

Begin forwarded message:

> *From: *Zisis Papandreou <zisis at uregina.ca <mailto:zisis at uregina.ca>>
> *Date: *March 10, 2011 1:57:45 PM CST
> *To: *Will Brooks <brooksw at jlab.org <mailto:brooksw at jlab.org>>
> *Cc: *Andrei Semenov <semenov at jlab.org <mailto:semenov at jlab.org>>, 
> Elton Smith <elton at jlab.org <mailto:elton at jlab.org>>, George Voulgaris 
> <gboulgaris at phys.uoa.gr <mailto:gboulgaris at phys.uoa.gr>>
> *Subject: **Light guides for Regina*
>
> Hi WIl:
>
> We see the light guide type in drawing 2022 as the best one for us 
> because it is square (many others have a non-square shape) and its 
> dimensions are 21.5mm (0.899") x 19.8mm (0.779").  We kindly request 
> 12 of those (they fit in our setup here).
>
> Thanks and cheers, Zisis...
>
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