Experimental evidence of quadrupolar whispering-gallery modes in phononic crystal based waveguides
Understanding the performance of resonators introduced in elastic and/or acoustic circuits is important for conceiving complex and efficient guiding structures. In this work, we reported upon the experimental characterization of hollow pillars in different waveguides with 90° corners by measuring th...
Main Authors: | , , , , , , |
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Format: | Article |
Language: | English |
Published: |
AIP Publishing LLC
2019-08-01
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Series: | AIP Advances |
Online Access: | http://dx.doi.org/10.1063/1.5109690 |