Photoacoustic measurements in brain tissue

Joel Mobley; Paul M. Kasili; Tuan Vo-Dinh

doi:10.1117/12.351534

9 July 1999 Photoacoustic measurements in brain tissue

Joel Mobley, Paul M. Kasili, Tuan Vo-Dinh

Proceedings Volume 3595, Biomedical Diagnostic, Guidance, and Surgical-Assist Systems; (1999) https://doi.org/10.1117/12.351534
Event: BiOS '99 International Biomedical Optics Symposium, 1999, San Jose, CA, United States

Abstract

In this work, we develop and evaluate the photoacoustic technique for recording spectra of white and gray mammalian brain tissues. In addition to the experimental work, we also discuss the geometric aspects of photoacoustic signal generation using collimated light. Spectral constructed from the peak-to-peak amplitude of the photoacoustic waveforms indicate differences in the two tissue types at wavelengths between 620 and 695 nm. The potential of the technique for non-invasive diagnosis is discussed.

Citation Download Citation

Joel Mobley, Paul M. Kasili, and Tuan Vo-Dinh "Photoacoustic measurements in brain tissue", Proc. SPIE 3595, Biomedical Diagnostic, Guidance, and Surgical-Assist Systems, (9 July 1999); https://doi.org/10.1117/12.351534

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