[ RadSafe ] Image Intensifier

Robert Atkinson robert8rpi at yahoo.co.uk
Thu Dec 16 14:14:56 CST 2010

Early multistage image intensifiers used Thorium doped glass to increase the refractive index of the optical faceplates.
Robert Atkinson.

--- On Thu, 16/12/10, Joel C. <cehn at aol.com> wrote:

From: Joel C. <cehn at aol.com>
Subject: [ RadSafe ] Image Intensifier
To: radsafe at health.phys.iit.edu
Date: Thursday, 16 December, 2010, 19:38

I came across a military "image intensifier" that reads about 4 mR/hr on contact.  It appears to contain U and Th and ?.  Anyone have the 411 on this item (nuclides and activities)?  (Photo available)

Joel I. Cehn

joelc at alum.wpi.edu 
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