Re: How many photons in one airy disc?




"Chris L Peterson" <clp@xxxxxxxxxxxxxxxxxx> wrote in message
news:depqt1pdjn0q7jkue55lnbajscsel2kiac@xxxxxxxxxx
> On Sun, 29 Jan 2006 17:48:43 -0700, Jürgen Appel
> <jappel@xxxxxxxxxxxxxxx> wrote:
>
>>What you probably mean is, that a photon does not have to be localized.
>
> I agree with that, but it isn't what I meant, which was that there is no
> such thing as a "ray" consisting of a stream of photons, because no two
> photons will be in exactly the same path. I suppose you could create
> some definition of ray that included a non-zero width (radius), and the
> resulting finite volume could be seen as containing a stream of photons.
> But I can't think of any particularly useful reason for doing that.
>
> My sense was that the OP was viewing a ray as if it were some sort of
> physical entity.


Yeah like Death Ray in War of the Worlds...zzzzzzzzzttt!!!


.



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