Measurement of the dispersion relation of capillary waves by laser diffraction

被引：16

作者：

Zhu, Feng ^{[1
]}

Miao, Runcai

Xu, Chunlong

Cao, Zanzan

机构：

[1] Shaanxi Normal Univ, Inst Phys & Informat Technol, Xian 710062, Peoples R China

[2] Xian Commun Inst, Dept Math & Phys, Xian 710106, Peoples R China

[3] Yulin Coll, Dept Phys, Shaanxi Yulin 719000, Peoples R China

[4] Xian Railway Hosp, Xian 710004, Peoples R China

来源：

AMERICAN JOURNAL OF PHYSICS | 2007年 / 75卷 / 10期

关键词：

D O I：

10.1119/1.2750379

中图分类号：

G40 [教育学];

学科分类号：

040101 ; 120403 ;

摘要：

We describe a simple method for generating capillary waves of a known frequency on a liquid surface. A noncontact technique based on laser diffraction is introduced to measure the wavelength of the capillary waves with great precision. The data give the dispersion relation of capillary waves and provide an accurate method for determining the relation between the surface tension and the temperature in a nondestructive way. (c) 2007 American Association of Physics Teachers.

引用

页码：896 / 898

页数：3

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