Photoacoustic and thermoacoustic signal characteristics study

Nadaparambil Aravindakshan Rejesh; Manojit Pramanik

doi:10.1117/12.2031963

14 June 2013 Photoacoustic and thermoacoustic signal characteristics study

Nadaparambil Aravindakshan Rejesh, Manojit Pramanik

Proceedings Volume 8800, Opto-Acoustic Methods and Applications; 88000G (2013) https://doi.org/10.1117/12.2031963
Event: European Conferences on Biomedical Optics, 2013, Munich, Germany

Abstract

Photoacoustic/thermoacoustic imaging is an emerging hybrid imaging modality combining optical/microwave imaging with ultrasound imaging. The photoacoustic/thermoacoustic signal generated are affected by the nature of excitation pulse waveform, pulse width, target object size, transducer size etc. In this study k-wave was used to simulate various configurations of excitation pulse, transducer types, and target object sizes and to see their effect on the photoacoustic/thermoacoustic signals. Numerical blood vessel phantom was also used to see the effect of various pulse waveform and excitation pulse width on the reconstructed images. This study will help in optimizing transducer design and reconstruction methods to obtain the superior reconstructed image.

Citation Download Citation

Nadaparambil Aravindakshan Rejesh and Manojit Pramanik " Photoacoustic and thermoacoustic signal characteristics study ", Proc. SPIE 8800, Opto-Acoustic Methods and Applications, 88000G (14 June 2013); https://doi.org/10.1117/12.2031963

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