793f9a7b   
   From: johnknuhtsenSP@Mail.dk   
      
   On Tue, 6 Mar 2012 11:41:32 -0800 (PST), ricardo   
    wrote:   
      
   >It's been over 10 years since I last posted here.   
   >   
   >Does anyone have any strong opinions - for or against - on any   
   >particular laser beam profiler?   
   >   
   >I'm looking for visible range, ~5mm max beam diameter and about 1M   
   >pixel resolution. Nothing too fancy but if you had a good or bad   
   >experience with the software (e.g.) please let us know.   
   >   
   It can be done for a certain distance by some raytracing and knowledge   
   about spherical aberration (in one dimension, cylinder lenses). Long   
   time ago I had some made by two cylinder lenses. They sold quite well   
   for sheet flow analysis with argon laser illumination.   
      
   best regards   
      
   John   
      
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