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Biophysical principles of photoacoustic tomography


Authors: Ivo Hrazdira 1;  Ladislav Doležal 2
Authors‘ workplace: Biofyzikální ústav, Lékařská fakulta Masarykovy univerzity, Brno 1;  Ústav lékařské biofyziky, Lékařská fakulta Univerzity Palackého, Olomouc 2
Published in: Lékař a technika - Clinician and Technology No. 1, 2012, 42, 39-43

Overview

Photoacoustic tomography is a new biomedical imaging method based on photoacoustic phenomenon already described in 1880 by G. Bell. In the present experimental form represents a hybrid method, combining optical and ultrasonic imaging. The algorithm of photoacoustic imaging procedure includes 3 basic steps: generating an electromagnetic pulse in the visible or infrared spectrum, exploring of photoacoustic signals and tomographic image formation. Based on literature data are examples of practical applications.

Keywords:
photoacoustic effect, photoacoustic imaging, tomography, acoustic detection


Sources

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Biomedicine
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