[ATM] PLOP and UltraThin Comparison ERROR

[Dale Eason <atmpob@yahoo.com>]

I discovered I made many mistakes with my PLOP and
ultra thin interferometer comparision that I posted a
few days ago.

I had the radius for the 3 supports incorrect.  I had
the focal length at 2 times its value.  Lastely I
incorrectly thought PLOP's red color was a high
surface.  It is instead a low surface.

Thus the comparison was hog wash.  My bad.

Now when I enter what I think are the correct values,
PLOP shows nothing similar to what I measure with the
interferometer.  Perhaps it is not correct to compare
a simulated flat plate to a slighty spherical slumped
mirror plate.  Can you even call it a plate?

Dale Eason

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