1. Nov 25, 2011 #1

   Northprairieman

   

   You know how a microwave oven has a mesh on the door so visible light gets through but not the microwaves? Can such a thing be done with infrared radiation too? Is it possible to block heat from getting through a mesh but not visible light?

    

   Northprairieman, Nov 25, 2011
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3. Nov 26, 2011 #2

   Dr_Morbius

   

   There are lots of materials that block infrared but allow light through. The mesh works because it acts like a Faraday cage. It would be impossible to make a mesh that fine.
   
   http://en.wikipedia.org/wiki/Infrared_cut-off_filter
   http://en.wikipedia.org/wiki/Faraday_cage

    

   Dr_Morbius, Nov 26, 2011

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