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Published October 2002 | Published
Book Section - Chapter Open

RF-induced thermoacoustic tomography

Abstract

We present our study of pulsed-microwave-induced thermoacoustic tomography under a circular measurement configuration in biological tissues. A wide beam of short-pulse microwave (radio-frequency, RF) energy is used to illuminate a sample from the bottom. An unfocused ultrasonic transducer with a small aperture is used to record the thermoacoustic signals from the side. A backprojection method based on a rigorous theory is used to reconstruct the cross-sectional image from the measured data. The reconstructed image agrees with the original sample very well.

Additional Information

© 2002 IEEE. This project was sponsored in part by the U.S. Army Medical Research and Materiel Command Grant No. DAMD17–00-1–0455, the National Institutes of Health Grant No. R01 CA71980, the National Science Foundation Grant No. BES-9734491, and Texas Higher Education Coordinating Board Grant No. ARP 000512–0123-1999.

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