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Re: Sunlight

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Re: Sunlight

Subject: Re: Sunlight
From: Graeme Gill <email@hidden>
Date: Mon, 19 Nov 2007 11:52:29 +1100

Roger Breton wrote:

suspicion, I did. The recommended procedure is to measure the illumination
'indirectly' by aiming it at some surface of know spectral reflectance.


A good material for this indirect method is white expanded polystyrene foam.
Foam with a fine structure is usually better. Compared to many other
readily available materials, it seems to have a flat reflectance right
up to the U.V.

Graeme Gill.

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Re: Sunlight
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