Photoacoustic microtomography: system characterization and first results on biological specimens

Günther Paltauf; Robert Nuster; Markus Holotta; Harald Grossauer

doi:10.1117/12.842039

23 February 2010 Photoacoustic microtomography: system characterization and first results on biological specimens

Günther Paltauf, Robert Nuster, Markus Holotta, Harald Grossauer

Proceedings Volume 7564, Photons Plus Ultrasound: Imaging and Sensing 2010; 75640V (2010) https://doi.org/10.1117/12.842039
Event: SPIE BiOS, 2010, San Francisco, California, United States

Abstract

A device for three-dimensional (3D) photoacoustic tomography with resolution in the range of tens of micrometers is presented. It is based on a focused laser beam as detector, which propagates near the imaging object in a water bath and is part of a Mach-Zehnder interferometer. By scanning the beam relative to the object, data for 3D image reconstruction are acquired. Using a phantom consisting of human hairs, the resolution of the setup is demonstrated. Using a flea and an excised mouse heart as samples, the imaging capabilities of the device for complex biological objects are shown.

Citation Download Citation

Günther Paltauf, Robert Nuster, Markus Holotta, and Harald Grossauer "Photoacoustic microtomography: system characterization and first results on biological specimens", Proc. SPIE 7564, Photons Plus Ultrasound: Imaging and Sensing 2010, 75640V (23 February 2010); https://doi.org/10.1117/12.842039

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