Imaging the ultrasound field and shear wave propagation using acousto-optic laser speckle contrast analysis (AO-LASCA)

Lipei Song; Yi Cheng; Rui Li; Meng-Xing Tang; Daniel S. Elson

doi:10.1117/12.907494

23 February 2012 Imaging the ultrasound field and shear wave propagation using acousto-optic laser speckle contrast analysis (AO-LASCA)

Lipei Song, Yi Cheng, Rui Li, Meng-Xing Tang, Daniel S. Elson

Author Affiliations +

Proceedings Volume 8223, Photons Plus Ultrasound: Imaging and Sensing 2012; 82232R (2012) https://doi.org/10.1117/12.907494
Event: SPIE BiOS, 2012, San Francisco, California, United States

Abstract

In this paper we present a method to visualize the pressure field of an ultrasound beam in a single shot of the CCD and to image the shear wave propagation based on acousto-optic laser speckle contrast analysis. The contrast images show features in the near field, far field and central region of the ultrasound beam and the pressure profile fits with that measured with a hydrophone. The shear wave propagation was acquired by changing the imaging delay time after the ultrasound burst. This method can be used to study the shear wave properties of common tissue phantoms to guide experiments on tissue.

Citation Download Citation

Lipei Song, Yi Cheng, Rui Li, Meng-Xing Tang, and Daniel S. Elson "Imaging the ultrasound field and shear wave propagation using acousto-optic laser speckle contrast analysis (AO-LASCA)", Proc. SPIE 8223, Photons Plus Ultrasound: Imaging and Sensing 2012, 82232R (23 February 2012); https://doi.org/10.1117/12.907494

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