Pump-probe microscopy can be utilized to image laser-induced acoustic waves, which carry information about elastic properties. This paper shows how the pulse number and energy affects the imaging quality of waves in water and glass.
In recent years pump-probe microscopy has been used in several studies to investigate laser-material interaction processes. Thereby, acoustic waves could be imaged that were released into the vicinity of the irradiated spot. Since these waves carry information about the elastic properties of the material, the question arose how pump-probe microscopy could be utilized for elastography of biological materials. Therefore, the influence of the pump-pulse energy on the radius and thus on the speed of acoustic waves in solid and fluid media was investigated in this study.
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