Abstract
Microwave-induced thermoacoustic imaging (TAI) is a noninvasive modality based on the differences in microwave absorption of various biological tissues. TAI has been extensively researched in recent years, and several studies have revealed that TAI possesses advantages such as high resolution, high contrast, high imaging depth and fast imaging speed. In this paper, we reviewed the development of the TAI technique, its excitation source, data acquisition system and biomedical applications. It is believed that TAI has great potential applications in biomedical research and clinical study.
Highlights
Medical imaging is a necessary tool in medical practice
thermoacoustic imaging (TAI) uses microwave as the excitation source, and photoacoustic imaging (PAI) uses laser
The ultrashort microwave pulse (USMP) by Xing et al successfully demonstrated a means of overcoming the conversion e±ciency and resolution limited by the exciting pulse duration
Summary
Medical imaging is a necessary tool in medical practice. Among them, X-ray imaging including CT is the clinical gold standard technique to detect abnormal structure. With the publication of above reports, more and more researchers are aware of the advantages of TAI and put their e®orts into This is an Open Access article published by World Scientic Publishing Company. This paper will review and discuss the TAI system brie°y and focus on the introduction of excitation source, data acquisition system and biomedical applications
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