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Re: [ATM] Good stuff
Thanks Ken and Dominic,
It is very useful links. Some of part was translated
to our own language by local ATMs. I hope they will
finish in a short time.
Best regards,
Lutfu
--- Dominic-Luc Webb <dlwebb@canit.se> wrote:
> On Thu, 17 Jan 2008, Ken Hunter wrote:
>
> > Here's 2 links for Lutfi,
> >
> > The first is an index of atm related stuff of
> all types. The second is a great introduction to
> Focault testing.
> >
> > http://www.atmsite.org
> >
> http://www.atmsite.org/contrib/Harbour/Foucault.html
> >
> > Ken Hunter
>
> Harbour's discussion is truly worth reading. I note
> that he states
> that the mirror is divided into 5 equal area sectors
> where he
> discussed zones, somewhere close to "fig A". I
> recall not agreeing
> exactly with his numbers. I think I finally decided
> that if one
> calculates r for areas that are 10,30,50,70 and 90
> percent of
> total area, then you get the numbers he states. Not
> a big deal,
> but for a beginner it might be confusing.
>
> Harbour also describes very nicely how to identify
> the various
> zones using a modification of an Everest mask that
> seems like a
> great idea. He also takes up some issues regarding
> errors in
> testing relating this to the Airy disk.
>
> Nice job!
>
> Dominic
>
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