Optoacoustic diffraction tomography: analysis of algorithms
JOSA A, Vol. 20, Issue 10, pp. 1859-1866 (2003)
http://dx.doi.org/10.1364/JOSAA.20.001859
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Abstract
We consider the problem of using the photoacoustic effect to image the optical properties of tissue. A region of tissue is assumed to be illuminated by frequency-modulated light that creates an ultrasonic wave of the same frequency. This wave is detected on a passive array of receiving transducers distributed over a circular or a cylindrical aperture. If the frequency is swept over a broad band (or, equivalently, if we illuminate with a pulse and Fourier transform the response), then a spatial map of a parameter that depends on the optical absorption coefficient of the tissue can be recovered. Analytical inversion formulas are derived in both two and three dimensions. The effects of band-limited data on image quality are also investigated.
© 2003 Optical Society of America
OCIS Codes
(110.5120) Imaging systems : Photoacoustic imaging
(110.6960) Imaging systems : Tomography
(170.3010) Medical optics and biotechnology : Image reconstruction techniques
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.5120) Medical optics and biotechnology : Photoacoustic imaging
(170.6960) Medical optics and biotechnology : Tomography
Citation
Stephen J. Norton and Tuan Vo-Dinh, "Optoacoustic diffraction tomography: analysis of algorithms," J. Opt. Soc. Am. A 20, 1859-1866 (2003)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-20-10-1859
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