Microwave-Induced Thermoacoustic Imaging for Embedded Explosives Detection in High-Water Content Medium

Xiong Wang, Tao Qin, Yexian Qin, Ahmed H. Abdelrahman, Russell S. Witte, Hao Xin

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


Improvised explosive devices (IEDs) have always been a major threat to personnel safety with continuous evolutions and new variants. Traditional methods for detecting IEDs, such as X-ray, have some drawbacks, so safe and efficient new detection techniques are highly desired. Microwave-induced thermoacoustic imaging (MITAI), being widely investigated for biomedical applications, is a promising candidate for detecting explosives embedded in high-water content materials due to its intrinsic advantages of nonionizing radiation, high contrast, and easy imaging procedure. Proof-of-concept demonstration is theoretically and experimentally carried out by successful detection of an explosive surrogate sample immersed in water. Good accordance between the experimental and simulation results validates the effectiveness of this approach. A parametric study of some key parameters is then performed to investigate their impact on detection efficiency and to evaluate the performance of a practical MITAI system for explosive detection.

Original languageEnglish (US)
Article number8676338
Pages (from-to)4803-4810
Number of pages8
JournalIEEE Transactions on Antennas and Propagation
Issue number7
StatePublished - Jul 2019


  • Explosives detection
  • high-water content medium
  • improvised explosive devices (IEDs)
  • microwave-induced thermoacoustic imaging (MITAI)

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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