Localized Effect of Light Diffraction by Capillary Wave

The localized effect of light diffracted by a capillary wave is discovered by changing the wave amplitude. The localized range is related to the wave number and the amplitude. The dependence of the half maximum localized angle on the wave number and amplitude is analytically derived. Meanwhile, the...

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Bibliographic Details
Published in:Chinese physics letters 2015-11, Vol.32 (11), p.43-51
Main Author: 苗扬 聂松林
Format: Article
Language:English
Subjects:
Amplitudes
Angular distribution
Capillary waves
Diffraction
Diffraction patterns
Luminous intensity
Mathematical analysis
Wavelengths
依赖性分析
光衍射
实验数据
局域效应
局部效应
管波
衍射图案
角度分布
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Summary:The localized effect of light diffracted by a capillary wave is discovered by changing the wave amplitude. The localized range is related to the wave number and the amplitude. The dependence of the half maximum localized angle on the wave number and amplitude is analytically derived. Meanwhile, the analytic angular distribution of the diffraction light in the localized range is obtained. Experiments are carried out to achieve diffraction patterns to confirm the localized effect and to measure the angular distribution of the diffraction light intensity as well as to determine the localized range scales corresponding to different wave amplitudes. Theoretical curves of the light intensity angular distribution and localized interval widths related to surface acoustic wave amplitudes are compared with the experimental data. The experimental results agree well with the theoretical prediction.
ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/32/11/114201