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Negative refraction of acoustic waves in two-dimensional phononic crystals

  • Beijing Normal University
  • Wuhan University

科研成果: 期刊稿件文章同行评审

摘要

The negative refraction of acoustic waves in the two-dimensional photonic crystals was demonstrated. Investigations show that the all angle negative refraction (AANR) of acoustic waves was found in some systems. The refractive devices based on phononic crystals were found to behave in a similar manner to optical systems. The negative refractive behavior of acoustic waves was described using a negative square root of negative refractive index.

源语言英语
页(从-至)341-343
页数3
期刊Applied Physics Letters
85
2
DOI
出版状态已出版 - 12 7月 2004
已对外发布

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