Boundary conditions in photoacoustic tomography

Lihong V. Wang

doi:10.1117/12.647818

6 March 2006 Boundary conditions in photoacoustic tomography

Lihong V. Wang

Proceedings Volume 6086, Photons Plus Ultrasound: Imaging and Sensing 2006: The Seventh Conference on Biomedical Thermoacoustics, Optoacoustics, and Acousto-optics; 608611 (2006) https://doi.org/10.1117/12.647818
Event: SPIE BiOS, 2006, San Jose, California, United States

Abstract

Photoacoustic tomography has captured a significant amount of attention recently. Although several commercially available optical imaging modalities, including confocal microscopy, two-photon microscopy, and optical coherence tomography have been highly successful, none of these technologies can penetrate beyond ~1 mm into scattering biological tissues because all of them are based on ballistic and quasi-ballistic photons. Consequently, until now, there has been a void in high-resolution optical imaging beyond this depth limit. Photoacoustic tomography has filled this void by combining high ultrasonic resolution and high optical contrast in a single modality. Up until now, however, free-space ultrasound propagation has always been assumed in photoacoustic tomography. In this paper, boundary conditions that should be considered in certain imaging configurations are presented and their associated inverse solutions for image reconstruction are provided.

Citation Download Citation

Lihong V. Wang "Boundary conditions in photoacoustic tomography", Proc. SPIE 6086, Photons Plus Ultrasound: Imaging and Sensing 2006: The Seventh Conference on Biomedical Thermoacoustics, Optoacoustics, and Acousto-optics, 608611 (6 March 2006); https://doi.org/10.1117/12.647818

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