Optics are simple. I have a laser source with a special optic (DOE). It   
   essentially generates a top hat rectangle. The object that we are looking at   
   is in cylindrical shape and has a diffused reflection. The receiver side, I   
   have a CPC. CPC has a gain of    
   3.    
      
      
      
      
      
   On Tuesday, April 8, 2014 2:34:35 AM UTC+8, haitic...@gmail.com wrote:   
   > >    
   >    
   > > I have used Hamamatsu before but I think you cannot make money by using   
   Hamamatsu.   
   >    
   > >    
   >    
   > >    
   >    
   > >    
   >    
   > > Thx.   
   >    
   >    
   >    
   > To be a broken record here, if you could describe your exact optics, it   
   would    
   >    
   > help. Assess whether such a description could back-track to revealing your    
   >    
   > product idea. It only rarely does.   
   >    
   >    
   >    
   > Pumping more power into the laser source and gathering more photons seem to   
   be the most practical way to go.    
   >    
   >    
   >    
   > As Ben Franklin said,   
   >    
   >    
   >    
   > "A photon saved on the front end is worth nine on the back end."   
   >    
   >    
   >    
   > :)   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)