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Quantifying optical smoothness

Started by jpcannavo, 04/05/2006 02:52PM
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Posted 04/05/2006 02:52PM | Edited 04/05/2006 02:54PM Opening Post
joseph cannavo
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Join Date: May 2004

Location: manhasset NY, US

Posts: 54

As epilog to the thread on micro-roughness:
A link to a website showing how optical smoothness is quantified - above and beyond surface rms - for truly large glass.
http://www.noao.edu/wiyn/wiynfacts.html
Joe
PS: Talks about aperture fever...
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16" F5 "Front Collimating" mirror cell
Posted 04/06/2006 07:56PM #1
joseph cannavo
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Location: manhasset NY, US

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Scott I have heard both. FWIW, Bob Royce - I think - says "Streel"
Joe
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16" F5 "Front Collimating" mirror cell
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