Noncontact thermoacoustic detection of targets embedded in dispersive media

Kevin C. Boyle; Hao Nan; Butrus T. Khuri-Yakub; Amin Arbabian

doi:10.1117/12.2241941

21 October 2016 Noncontact thermoacoustic detection of targets embedded in dispersive media

Kevin C. Boyle, Hao Nan, Butrus T. Khuri-Yakub, Amin Arbabian

Proceedings Volume 9988, Electro-Optical Remote Sensing X; 99880H (2016) https://doi.org/10.1117/12.2241941
Event: SPIE Security + Defence, 2016, Edinburgh, United Kingdom

Abstract

A microwave-induced thermoacoustic detection system for embedded targets in lossy media is presented. The system achieves reliable detection of 5 cm × 5 cm × 2 cm targets embedded in a large Agarose sample at a 20 cm acoustic standoff. Repeated measurements across different target and sample configurations confirm the system’s ability to distinguish between a target signal and a baseline control signal generated by the package without embedded targets. Post-processing techniques including filtering and baseline signal characterization further improve detection performance.

Conference Presentation

Citation Download Citation

Kevin C. Boyle, Hao Nan, Butrus T. Khuri-Yakub, and Amin Arbabian "Noncontact thermoacoustic detection of targets embedded in dispersive media", Proc. SPIE 9988, Electro-Optical Remote Sensing X, 99880H (21 October 2016); https://doi.org/10.1117/12.2241941

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