At 11:15 AM 12/21/01 -0800, Alice Campbell wrote:
>Hello Dave,
>
>I read that using an aluminized mylar shield will block visible light to a
>photodiode, do you think this will work for a solarcell? I have a few
>about the size of a pencil eraser available.  I'm trying for
>gamma/alpha/beta higher-energy stuff.


I think alpha's out of the question, unless it's very high energy.
Almost anything will block alphas, (think helium, without electrons)
The others shouldn't have much trouble getting through a bit of mylar.

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