From: pcdhSpamMeSenseless@electrooptical.net   
      
   On 11/11/2013 10:12 PM, je2ccc wrote:   
   > I understand what you mean. But the quasi-monochromatic optic fields   
   > can be achieved. So it has a realistic meaning in such occasions.   
   >   
   > On Mon, 11 Nov 2013 11:25:19 -0500, Phil Hobbs   
   >  wrote:   
   >> Haven't read the paper, but the thin-object approximation is unphysical   
   >> anyway.  We want the phase and amplitude to be a function only of   
   >> position...   
      
   How do you make a phase shift that's independent of incidence angle?   
      
   Cheers   
      
   Phil Hobbs   
      
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