Three-dimensional acousto-optic mapping using planar scanning with ultrasound bursts

A. Bratchenia; R. Molenaar; R. P. H. Kooyman

doi:10.1117/12.808546

12 February 2009 Three-dimensional acousto-optic mapping using planar scanning with ultrasound bursts

A. Bratchenia, R. Molenaar, R. P. H. Kooyman

Proceedings Volume 7177, Photons Plus Ultrasound: Imaging and Sensing 2009; 71771H (2009) https://doi.org/10.1117/12.808546
Event: SPIE BiOS, 2009, San Jose, California, United States

Abstract

We have investigated the application of AO sensing for quantitative three-dimensional mapping of tissue-mimicking phantoms. An Intralipid phantom, which contains a turbid absorber, confined in a silicone tube, was used. Multiply scattered pulsed laser light was modulated by ultrasonic bursts focused in a predefined volume in the medium. By varying the delay time between ultrasound burst initiation and light pulse firing we could perform a scan in the ultrasound-propagation plane. By moving the ultrasound transducer, we could build up a volumetric map of modulation depth values. We have experimentally determined the acousto-optical modulation depth as a function of the absorption coefficient in phantom voxels of a few millimeters in size.

Citation Download Citation

A. Bratchenia, R. Molenaar, and R. P. H. Kooyman "Three-dimensional acousto-optic mapping using planar scanning with ultrasound bursts", Proc. SPIE 7177, Photons Plus Ultrasound: Imaging and Sensing 2009, 71771H (12 February 2009); https://doi.org/10.1117/12.808546

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