In a message dated 8/28/00 10:19:55 PM Eastern Daylight Time, Ak55c writes: << In a message dated 8/28/00 8:11:57 PM Eastern Daylight Time, scoper10@hotmail.com writes: << I'ts certainly NOT a Strehl Ratio of 0.921, the usual value for a "smooth" minimum good quality 1/4 wavefront mirror is .88 and the other readings are below that. >> Checking the Strehl Ratio against the computer printout for the mirror, it is definitly 0.921 at the fringe centers and 0.927 over uniform grid. This ratio is not good??? Scott >>
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- To: scoper10@hotmail.com
- Subject: Re: ATM Interferometry analysis of 25"
- From: Ak55c@aol.com
- Date: Mon, 28 Aug 2000 22:19:55 EDT
- Full-name: Ak55c
In a message dated 8/28/00 8:11:57 PM Eastern Daylight Time, scoper10@hotmail.com writes: << I'ts certainly NOT a Strehl Ratio of 0.921, the usual value for a "smooth" minimum good quality 1/4 wavefront mirror is .88 and the other readings are below that. >> Checking the Strehl Ratio against the computer printout for the mirror, it is definitly 0.921 at the fringe centers and 0.927 over uniform grid. This ratio is not good??? Scott
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