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Wood Science and Technology

, Volume 53, Issue 6, pp 1223–1234 | Cite as

Microwave-induced thermoacoustic imaging of wood: a first demonstration

  • Dan ZhangEmail author
  • Hang He
  • Chujing Zong
  • Yunfei Liu
Original
  • 71 Downloads

Abstract

Hollow decay is the main problem that affects healthy tree growth and significantly reduces the subsequent practical value of wood. In this work, for the first time, an effective microwave-induced thermoacoustic imaging technology adopted for wood specimens is proposed. The thermoacoustic principle combines microwaves and ultrasonic waves and relies on the microwave penetrating ability and high spatial resolution to generate an ultrasonic excitation source from wood. Thermal ultrasonic imaging technology and high imaging precision present the detection results rapidly, allowing quick, effective, and easy evaluation. This also is the first demonstration of wood microwave-induced thermoacoustic imaging.

Notes

Acknowledgements

The authors wish to thank Professor Zhiqin Zhao, Dr. Shuangli Liu, and Mr. Xiaoxuan Sun for equipment support and experimental help at the University of Electronic Science and Technology of China.

Funding

This work was supported by Nanjing Forestry University High-level Talents Start-up Fund (163070694).

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.College of Information Science and TechnologyNanjing Forestry UniversityNanjingChina

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