Combining sound and light in scattering media

Lihong V. Wang; Geng Ku; Qimin Shen

doi:10.1117/12.364370

17 September 1999 Combining sound and light in scattering media

Lihong V. Wang, Geng Ku, Qimin Shen

Author Affiliations +

Proceedings Volume 3863, 1999 International Conference on Biomedical Optics; (1999) https://doi.org/10.1117/12.364370
Event: International Symposium on Biomedical Optics, 1999, Wuhan, China

Abstract

Two imaging techniques combining ultrasound and light are reviewed. The motivation is to combine the advantages of optical information and acoustic imaging resolution. The first technique is sonoluminescence tomography, where a sonoluminescence signal generated internally in the media by continuous-wave ultrasound is used. 2D images can be produced for objects embedded in turbid media by raster scanning the media. The second technique is ultrasound-modulated optical tomography, where a frequency-swept ultrasonic wave was used to modulate the laser light passing through a scattering medium. Multiple 1D images obtained at various positions perpendicular to the ultrasonic axis were composed to obtain a 2D tomographic image of the medium.

Citation Download Citation

Lihong V. Wang, Geng Ku, and Qimin Shen "Combining sound and light in scattering media", Proc. SPIE 3863, 1999 International Conference on Biomedical Optics, (17 September 1999); https://doi.org/10.1117/12.364370

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