From: torty5737@gmail.com   
      
   Hi,   
      
   Unfortunately this old thing struggles with youtube - I 'll try to have a   
   look at those soon.   
      
   On Tuesday, 14 February 2023 at 09:39:52 UTC, HoloLab wrote:   
      
   > ... If you look at the way the interference fringes move, you can guess   
   > that the main source of vibrations is a rigid body movement of the   
   > optical table with respect to the room, which severely degrades the   
   > hologram quality at recording time, and which should be compensable by a   
   > fringe-locker :)   
      
   I'm probably missing something obvious, but what then are you locking to?   
   Taking some off the ref. beam and bouncing off the wall?   
      
   Thanks   
      
   Henry   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)