Figure 6.

(a1) HMI displacement with depth and (a2) linear regression of the $\ln \left(\frac{D_0}{D_z}\right)∕2f$ and z – z₀ under acoustic intensity of 0.1 W/cm² for an in vitro canine liver (b1) HMI displacement with depth and (b2) linear regression of the $\ln \left(\frac{D_0}{D_z}\right)∕2f$ and z – z₀ under acoustic of 0.2 W/cm² for an in vitro canine liver (The error bars equal one standard deviation across different measurements in the same sample.)