Abstract
Considerable interest in the elastic properties of soft tissue has developed in medicine due to their clinical relevance for monitoring the progression of various diseases as well as a biomarker for cancer. Most newly developed imaging modalities use shear wave to estimate the elasticity of tissue. A novel surface wave method has been developed by us for non-invasively estimating the elasticity of tissue. In this paper, we have extended this method for measuring viscoelastic material properties of pig lungs. A small force is generated by a mechanical shaker on the lung. The surface wave on the lung is measured by laser. The viscoelasticity of a 14 Kg pig lung is measured for different pressures.
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