The technique of real-time digital speckle pattem interferometry is proposed to study diffusion of surfactants in hydrogel.The diffusion coefficient is simply and directly determined from the interferograms.An example...The technique of real-time digital speckle pattem interferometry is proposed to study diffusion of surfactants in hydrogel.The diffusion coefficient is simply and directly determined from the interferograms.An example of diffusion coefficient measurement of surfactant in agarose gel demonstrates the usefulness of the method.The results obtained are compared with the theoretical simulation values.展开更多
文摘The technique of real-time digital speckle pattem interferometry is proposed to study diffusion of surfactants in hydrogel.The diffusion coefficient is simply and directly determined from the interferograms.An example of diffusion coefficient measurement of surfactant in agarose gel demonstrates the usefulness of the method.The results obtained are compared with the theoretical simulation values.