Detection of elastic modes in a solid-liquid-solid planar waveguide

C. I. Ham-Rodriguez, J. Manzanares-Martinez, D. Moctezuma-Enriquez, B. Manzanares-Martinez

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


In this work, we demonstrate that acoustic ultra-short pulses can be used to characterize multiple guided modes in a solid-liquid-solid planar waveguide via the determination of the time of flight (τ) using the Short Time Fourier Transform (STFT). To obtain experimentally τ, we introduce a time dependent ultra-short acoustic signal s(t) at one side of a finite waveguide and we perform the STFT of the outgoing acoustic signal s′(t) from the other side. We have found that this technique is able to discriminate the signature of multiple even and odd modes at the same experimental run.

Original languageEnglish
Article number061904
JournalApplied Physics Letters
Issue number6
StatePublished - 8 Aug 2016

Bibliographical note

Publisher Copyright:
© 2016 Author(s).


Dive into the research topics of 'Detection of elastic modes in a solid-liquid-solid planar waveguide'. Together they form a unique fingerprint.

Cite this