Can someone give some tips on the construction of a Fabry-Pérot etalon? I know   
   I need two silvered mirrors with the silvered side on the edge. Where do I   
   find such mirrors commercially in small volume? Also, what is a good method   
   for tuning the distance    
   between mirror plates while keeping it fairly accurate? Can I use a metal   
   bracket with screws to adjust the distance? Is there an easy way to network   
   the screws so they adjust all sides of the plate distance at once?   
      
   Your help would be much appreciated..   
      
   Michael Sabino   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)