Experimental study of highly sensitive sensor using a surface acoustic wave resonator for wireless strain detection

Bao Zhongqing, Motoaki Hara, Misato Mitsui, Koji Sano, Sumito Nagasawa, Hiroki Kuwano

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

We developed a highly sensitive strain sensor employing a surface acoustic wave (SAW) resonator for a wireless sensing system. The aim of this study is to monitor the distribution of the strain in the earth crust or giant infrastructures, such as bridges, skyscrapers and power plants, for disaster prevention. A SAW strain sensor was fabricated using LiNbO 3 and a quartz substrate, and applied in a tensile test by attaching the steel specimen based on Japanese Industrial Standards (JIS Z2441-1). The results confirmed that the developed sensor could detect a strain of 10 -6 order with linearity.

Original languageEnglish
Article number07GC23
JournalJapanese Journal of Applied Physics
Volume51
Issue number7 PART2
DOIs
Publication statusPublished - 2012 Jul
Externally publishedYes

Fingerprint

Surface waves
Resonators
resonators
Acoustic waves
acoustics
sensors
Sensors
Earth crust
disasters
power plants
tensile tests
Disaster prevention
Tall buildings
linearity
quartz
steels
Quartz
Power plants
Earth (planet)
Steel

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Experimental study of highly sensitive sensor using a surface acoustic wave resonator for wireless strain detection. / Zhongqing, Bao; Hara, Motoaki; Mitsui, Misato; Sano, Koji; Nagasawa, Sumito; Kuwano, Hiroki.

In: Japanese Journal of Applied Physics, Vol. 51, No. 7 PART2, 07GC23, 07.2012.

Research output: Contribution to journalArticle

Zhongqing, Bao ; Hara, Motoaki ; Mitsui, Misato ; Sano, Koji ; Nagasawa, Sumito ; Kuwano, Hiroki. / Experimental study of highly sensitive sensor using a surface acoustic wave resonator for wireless strain detection. In: Japanese Journal of Applied Physics. 2012 ; Vol. 51, No. 7 PART2.
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