Re[5]: [ATM] On Axis Foucault

[Richard <cnc@cncservo.co.uk>]

Hi Richard,

Wednesday, June 15, 2005, 12:19:37 AM, you wrote:

R> I agree, if it didn't cancel, it would be
R> very bad at F/2. But it does :)

Altogether now - Oh no it doesn't!

Egg on face. Last night I was laying in bed, in that
state between awake and sleep, when I bolted wide awake as I
realised I was wrong. My confusion was due to thinking about
interferometers. The case we are looking at is only one leg of
the interferometer and the SA DOES NOT cancel.

Sorry!

-- 

Best regards,
  Richard in the UK



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