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Re: scintillators

To: Peter Kammel <kammel@npl.uiuc.edu>
Subject: Re: scintillators
From: Frederick Gray <fegray@berkeley.edu>
Date: Wed, 27 Jul 2005 09:30:05 -0700
Cc: Francoise Mulhauser <Francoise.Mulhauser@psi.ch>, Brendan Kiburg <kiburg@npl.uiuc.edu>, Fred Gray <fegray@socrates.berkeley.edu>, John Blackburn <jblackbu@nialas.npl.uiuc.edu>
In-reply-to: <Pine.LNX.4.63.0507261512080.31120@one.npl.uiuc.edu>
References: <Pine.LNX.4.63.0507261512080.31120@one.npl.uiuc.edu>
User-agent: Mutt/1.5.9i

> I am not aware of any problems conc acrylic light guides.

I just asked a KamLAND student who has been working a lot with lucite/acrylic
recently about this.  The containers for the instrumentation units for
the 4pi calibration system are made of it.  She said that, when they
need to open up one of the units (that has been epoxied closed) and the machine
shop doesn't have time to deal with it, she just puts it in a beaker of 
ethanol.  Within a few minutes it starts to become brittle enough to crack 
open by hand. 

Just one point of reference,

-- Fred

-- Fred Gray / Visiting Postdoctoral Researcher                 --
-- Department of Physics / University of California, Berkeley   --
-- fegray@berkeley.edu / phone 510-642-2438 / fax 510-642-9811  --

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