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Old 23-06-2010, 03:41 PM
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Steffen
Ebotec Alpeht Sicamb

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Join Date: Feb 2010
Location: Toongabbie, NSW
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I think that if we assume a perfectly collimated beam then we can't really compare this to omnidirectional light sources, like Sun or Earth, which drop in luminosity as a function of distance squared. The laser beam would lose intensity only through dispersion on particles in its path. That is probably enough to kill it, though. Not to mention that beams from laser pointers are quite divergent.

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Steffen.
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