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Publikováno v:
Applied Physics Letters
Applied Physics Letters, American Institute of Physics, 2016, 108, pp.221905-53504. ⟨10.1063/1.4953168⟩
Applied Physics Letters, 2016, 108, pp.221905-53504. ⟨10.1063/1.4953168⟩
Applied Physics Letters, American Institute of Physics, 2016, 108, pp.221905-53504. ⟨10.1063/1.4953168⟩
Applied Physics Letters, 2016, 108, pp.221905-53504. ⟨10.1063/1.4953168⟩
International audience; We report on the subwavelength focusing of Rayleigh waves using gradient-index (GRIN) phononic crystals (PCs) made of air holes scatters in a thick silicon substrate. The subwavelength focusing is demonstrated both in the inne