1. Jun 7, 2016 #1

   physics_hp

   

   Why do some photonic crystals show metamaterial property?

    

   physics_hp, Jun 7, 2016
2. 
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3. Jun 7, 2016 #2

   ZapperZ

   

   Staff Emeritus

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   Because they have an optical band gap.... or is that too simple of an answer for a too-simple of a question?
   
   Zz.

    

   ZapperZ, Jun 7, 2016

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