Acoustic beam splitting at low GHz frequencies in a defect-free phononic crystal

Guo, Yuning; Brick, Delia; Grossmann, Martin; Hettich, Mike; Dekorsy, Thomas

Acoustic beam splitting at low GHz frequencies in a defect-free phononic crystal

Dateien

Guo_0-389207.pdfGröße: 799.44 KBDownloads: 383

Datum

2017

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Applied Physics Letters. 2017, 110(3), 031904. ISSN 0003-6951. eISSN 1077-3118. Available under: doi: 10.1063/1.4974491

Zusammenfassung

The directional waveguiding in a 2D phononic crystal is simulated based on the analysis of equifrequency contours. This approach is utilized to investigate acoustic beam splitting in a defect-free nanostructure in the low GHz range. We find relaxed limitations regarding the source parameters compared to similar approaches in the sonic regime. Finally, we discuss the possibility to design an acoustic interferometer device at the nanoscale at GHz frequencies.

Fachgebiet (DDC)

530 Physik

Schlagwörter

Phononic crystal; Acoustic wave; Self-collimation

Zitieren

ISO 690

GUO, Yuning, Delia BRICK, Martin GROSSMANN, Mike HETTICH, Thomas DEKORSY, 2017. Acoustic beam splitting at low GHz frequencies in a defect-free phononic crystal. In: Applied Physics Letters. 2017, 110(3), 031904. ISSN 0003-6951. eISSN 1077-3118. Available under: doi: 10.1063/1.4974491

BibTex

@article{Guo2017-01-19Acous-37232,
  year={2017},
  doi={10.1063/1.4974491},
  title={Acoustic beam splitting at low GHz frequencies in a defect-free phononic crystal},
  number={3},
  volume={110},
  issn={0003-6951},
  journal={Applied Physics Letters},
  author={Guo, Yuning and Brick, Delia and Grossmann, Martin and Hettich, Mike and Dekorsy, Thomas},
  note={Article Number: 031904}
}

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