High-performance brillouin spectroscopy of phonons induced by a piezoelectric thin film with a coaxial microwave resonator

Hiroyuki Sano, Takahiko Yanagitani, Shinji Takayanagi, Takeshi Sugimoto, Mami Matsukawa

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

To overcome the low accuracy of acoustic velocity measurements based on Brillouin scattering from thermal phonons, we attempted to utilize induced coherent phonons, which cause intense Brillouin scattering. A ZnO piezoelectric film was used to induce gigahertz-range coherent phonons in a silica glass block sample. An evanescent electromagnetic wave leaked from a coaxial resonator was applied into the film to excite phonons. The scattered light obtained using this simple system was much more intense than that obtained from thermal phonons. This technique will improve the accuracy and reduce the measurement time.

Original languageEnglish
Article number6512823
Pages (from-to)873-876
Number of pages4
JournalIEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Volume60
Issue number5
DOIs
Publication statusPublished - 2013
Externally publishedYes

Fingerprint

Microwave resonators
Phonons
phonons
resonators
Spectroscopy
microwaves
Thin films
thin films
Brillouin scattering
spectroscopy
Acoustic wave velocity measurement
silica glass
Fused silica
Time measurement
acoustic velocity
scattering
velocity measurement
Electromagnetic waves
Resonators
electromagnetic radiation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Acoustics and Ultrasonics
  • Instrumentation

Cite this

High-performance brillouin spectroscopy of phonons induced by a piezoelectric thin film with a coaxial microwave resonator. / Sano, Hiroyuki; Yanagitani, Takahiko; Takayanagi, Shinji; Sugimoto, Takeshi; Matsukawa, Mami.

In: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 60, No. 5, 6512823, 2013, p. 873-876.

Research output: Contribution to journalArticle

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