Multi-wave EM-Acoustic Applications

In this chapter, several interesting applications of the EM-Acoustic sensing and imaging will be introduced with innovative approach. In Sect. 3.1, a correlated microwave-acoustic imaging approach is proposed by fusing scattered microwave and thermoacoustic image to deliver higher image contrast for early-stage breast cancer detection, which is proved with numerical simulation results. In Sect. 3.2, a novel single-wavelength approach is proposed to detect the blood oxygen saturation (SO2), where both scattered optical wave and photoacoustic wave are collected and correlated. Phantom studies are performed to validate its feasibility. In Sect. 3.3, a photoacoustic-guided depth-resolved Raman spectroscopy approach is proposed for skin cancer diagnosis, which is experimentally validated on multi-layer phantom. In Sect. 3.4, a multistatic photoacoustic classification approach is proposed to characterize malignant and benign tumors, which is challenging for conventional photoacoustic tomography for deep tissue imaging.

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