Listar por tema "gradient index"

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    • openAccess   Gradient index phononic crystals and metamaterials 

      Jin, Yabin; Djafari Rouhani, Bahram; Torrent, Daniel De Gruyter (2019)
      Phononic crystals and acoustic metamaterials are periodic structures whose effective properties can be tailored at will to achieve extreme control on wave propagation. Their refractive index is obtained from the ...