From: pcdhSpamMeSenseless@electrooptical.net   
      
   On 1/24/2014 12:59 AM, haiticare2011@gmail.com wrote:   
   > I was just wondering if a small laser or other light source can exert any   
   force on dust particles and make them clump. I just wondered if anyone has   
   seen anything like this.   
   >   
      
   Sure.  Google "photophoresis".  There's a strong tendency for crud to   
   collect on diode laser windows, right in the middle of the beam where   
   you don't want it.   
      
   Cheers   
      
   Phil Hobbs   
      
   --   
   Dr Philip C D Hobbs   
   Principal Consultant   
   ElectroOptical Innovations LLC   
   Optics, Electro-optics, Photonics, Analog Electronics   
      
   160 North State Road #203   
   Briarcliff Manor NY 10510   
      
   hobbs at electrooptical dot net   
   http://electrooptical.net   
      
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