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Direct measurement of the dispersion relation of capillary waves by laser interferometry
2006
American Journal of Physics
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Surface waves on fluids with wavelengths in the millimeter range are known as capillary waves. Surface tension determines the propagation and dispersion of capillary waves while gravity plays a minor role. We describe a simple method for generating standing capillary waves of known frequency on water and introduce a novel noncontact technique based on laser interferometry to measure the wavelength of capillary waves with great precision. The data gives the dispersion relation of capillary waves
doi:10.1119/1.2215617
fatcat:oqceayu3hbfgfj6ykpoknc3li4