From: pireddag@hotmail.com   
      
   Am 13.01.2019 um 23:06 schrieb JTS:   
      
   >   
   > I do not know what is the best way of doing this measurement, but I do   
   > know how to test your method: measure the polarization of light directly   
   > out of the laser (attenuated if necessary).   
      
      
   Here I mean: of *a* laser whose polarization you are sure about.   
      
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    * Origin: you cannot sedate... all the things you hate (1:229/2)