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Solid Angles

To: radsafe@romulus.ehs.uiuc.edu
Subject: Solid Angles
From: a.zapantis@qut.edu.au (Alex Zapantis)
Date: Thu, 31 Aug 1995 08:59:57 +1000

G'day All,

Could someone please explain the physical meaning of the unit:

         Watts per square metre per steradian

It's the "per steradian" which I am having trouble with.

In case you are wondering, this question is related to LASER safety.

Regards



                        Alex Zapantis
                        Radiation Safety Officer                               
                        Queensland University of Technology          
                        Health & Safety Section                             
                        Locked Bag No.2
                        Red Hill Qld 4059
                        AUSTRALIA

                        Ph     : 61 7 864 3566
                        fax     : 61 7 864 3993
                        email  : a.zapantis@qut.edu.au

Follow-Ups:
- Re: Solid Angles
  - From: Bernard L Cohen <blc+@pitt.edu>

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