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Thread: homemade 488nm direct doubled laser

  1. 11-10-2009, 01:44 #11
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    shrad
    shrad is offline Senior Member
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    Quote Originally Posted by mixedgas View Post
    Set known optical flat on the mirror.
    Hi Steve,

    Would you mind explaining a bit further? I have a good level of english, but sometimes I have a bit of a problem with small, yet complexe sentences... you know, notions and the like...

    much thanks!
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  2. 11-10-2009, 10:29 #12
    FourDee
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    I believe Steve is referring to the method used to check flatness amongst other things when you don't have a nice CMM ...
    It uses interference patterns to study the surface
    Last edited by FourDee; 11-10-2009 at 10:49.
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