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

doi:10.1109/TUFFC.2013.2643

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 journal › Article › peer-review

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 language	English
Article number	6512823
Pages (from-to)	873-876
Number of pages	4
Journal	IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Volume	60
Issue number	5
DOIs	https://doi.org/10.1109/TUFFC.2013.2643
Publication status	Published - 2013
Externally published	Yes

ASJC Scopus subject areas

Instrumentation
Acoustics and Ultrasonics
Electrical and Electronic Engineering

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10.1109/TUFFC.2013.2643

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High-performance brillouin spectroscopy of phonons induced by a piezoelectric thin film with a coaxial microwave resonator. / Sano, Hiroyuki; Yanagitani, Takahiko; Takayanagi, Shinji et al.
In: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 60, No. 5, 6512823, 2013, p. 873-876.

Research output: Contribution to journal › Article › peer-review

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AU - Sugimoto, Takeshi

AU - Matsukawa, Mami

PY - 2013

Y1 - 2013

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AB - 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.

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

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