dorsal/arxiv
View SchemaProbing liquid surface waves, liquid properties and liquid films with light diffraction
| Authors | Tarun Kr. Barik, Partha Roy Chaudhuri, Anushree Roy, Sayan Kar |
|---|---|
| Categories | |
| ArXiv ID | physics/0510184 |
| URL | https://arxiv.org/abs/physics/0510184 |
| DOI | 10.1088/0957-0233/17/6/037 |
Abstract
Surface waves on liquids act as a dynamical phase grating for incident light. In this article, we revisit the classical method of probing such waves (wavelengths of the order of mm) as well as inherent properties of liquids and liquid films on liquids, using optical diffraction. A combination of simulation and experiment is proposed to trace out the surface wave profiles in various situations (\emph{eg.} for one or more vertical, slightly immersed, electrically driven exciters). Subsequently, the surface tension and the spatial damping coefficient (related to viscosity) of a variety of liquids are measured carefully in order to gauge the efficiency of measuring liquid properties using this optical probe. The final set of results deal with liquid films where dispersion relations, surface and interface modes, interfacial tension and related issues are investigated in some detail, both theoretically and experimentally. On the whole, our observations and analyses seem to support the claim that this simple, low--cost apparatus is capable of providing a wealth of information on liquids and liquid surface waves in a non--destructive way.
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"abstract": "Surface waves on liquids act as a dynamical phase grating for incident light.\nIn this article, we revisit the classical method of probing such waves\n(wavelengths of the order of mm) as well as inherent properties of liquids and\nliquid films on liquids, using optical diffraction. A combination of simulation\nand experiment is proposed to trace out the surface wave profiles in various\nsituations (\\emph{eg.} for one or more vertical, slightly immersed,\nelectrically driven exciters). Subsequently, the surface tension and the\nspatial damping coefficient (related to viscosity) of a variety of liquids are\nmeasured carefully in order to gauge the efficiency of measuring liquid\nproperties using this optical probe. The final set of results deal with liquid\nfilms where dispersion relations, surface and interface modes, interfacial\ntension and related issues are investigated in some detail, both theoretically\nand experimentally. On the whole, our observations and analyses seem to support\nthe claim that this simple, low--cost apparatus is capable of providing a\nwealth of information on liquids and liquid surface waves in a non--destructive\nway.",
"arxiv_id": "physics/0510184",
"authors": [
"Tarun Kr. Barik",
"Partha Roy Chaudhuri",
"Anushree Roy",
"Sayan Kar"
],
"categories": [
"physics.optics"
],
"doi": "10.1088/0957-0233/17/6/037",
"title": "Probing liquid surface waves, liquid properties and liquid films with light diffraction",
"url": "https://arxiv.org/abs/physics/0510184"
},
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