Re: Gamma Camera


"west" <westley@xxxxxxxxxxxxxxx> writes:
> I have access to several types of used Nuclear Medicine gamma cameras. I've
> often entertained the idea to convert one for astro-gamma imaging. I'm not
> much of an astronomer but am somewhat knowledgeable with gamma cameras. The
> main problem that has always stopped me from pursuing this idea, is the fact
> that the large sodium-iodine crystal can fracture if there's an ambient
> temperature change of >6 degrees F in < 1 hour. Outdoor temperature
> fluctuations ... (well I'm sure you understand).
> I apologize if this is not the correct NG for my question. Perhaps I can be
> directed to a more appropriate one? Thank you.

Your main problem will be that extraterrestrial gamma rays do not
penetrate the atmosphere to sea level. That's why most gamma-ray (and
X-ray) instruments are launched into space, or at least lofted by high
altitude balloon.

Craig

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Craig B. Markwardt, Ph.D. EMAIL: craigmnet@xxxxxxxxxxxxxxxxxxxxxxxxxx
Astrophysics, IDL, Finance, Derivatives | Remove "net" for better response
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