Complex elastic wave propagation in micro-elastography (Conference Presentation)

Stefan Catheline; Gabrielle Laloy-Borgna; Ali Zorgani; Bruno Giammarinaro; Pol Grasland-Mongrain

doi:10.1117/12.2551486

9 March 2020 Complex elastic wave propagation in micro-elastography (Conference Presentation)

Stefan Catheline, Gabrielle Laloy-Borgna, Ali Zorgani, Bruno Giammarinaro, Pol Grasland-Mongrain

Proceedings Volume 11242, Optical Elastography and Tissue Biomechanics VII; 1124208 (2020) https://doi.org/10.1117/12.2551486
Event: SPIE BiOS, 2020, San Francisco, California, United States

Abstract

We recently proposed an alternative elasticity measurement technique based on elastic wave propagation within a single cell. Waves are capture using an ultrafast camera and a microscope. This technique is based on the local measurement of the speed vs of a shear wave, a type of elastic wave. By assuming an infinite and homogeneous elastic medium with respect to the wavelength, the shear modulus μ (elasticity) is estimated. These latter assumptions are discussed through experiments conducted in controlled elastic solids. The conclusion is that wave guide effects as well as viscosity are crucial for quantitative mapping of elasticity.

Conference Presentation

Citation Download Citation

Stefan Catheline, Gabrielle Laloy-Borgna, Ali Zorgani, Bruno Giammarinaro, and Pol Grasland-Mongrain "Complex elastic wave propagation in micro-elastography (Conference Presentation)", Proc. SPIE 11242, Optical Elastography and Tissue Biomechanics VII, 1124208 (9 March 2020); https://doi.org/10.1117/12.2551486

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