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| 小振幅低频液体表面波的光学干涉效应的研究 | |
| 引用本文： | 祁建霞,苗润才,严学文.小振幅低频液体表面波的光学干涉效应的研究[J].光学技术,2009,35(5). |
| 作者姓名： | 祁建霞 苗润才 严学文 |
| 作者单位： | 1. 西安邮电学院,应用数学与应用物理系,西安,710121 2. 陕西师范大学,物理与信息技术学院,西安,710062 3. 西安邮电学院,电子与信息工程系,西安,710121 |
| 基金项目： | 西安邮电学院中青年科研基金(ZL2008-31) |
| 摘 要： | 实验上实现了频率为几十赫兹的低频液体表面波的光干涉调制研究,得到了稳定、清晰的干涉图样。理论上对表面波干涉现象进行了分析,得出了条纹分布的解析表达式,较合理的解释了干涉图样的分布现象。该方法适用于低频液体表面波的特性研究,通过分析实验图样,可以对液体的表面张力等特性参数进行研究。 |
| 关 键 词： | 物理光学 干涉效应 液体表面波 表面张力 |
The interference effect study of the small amplitude of the liquid surface wave at low frequency range |
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| QI Jian-xia,MIAO Run-cai,YANG Xue-wen.The interference effect study of the small amplitude of the liquid surface wave at low frequency range[J].Optical Technique,2009,35(5). | |
| Authors: | QI Jian-xia MIAO Run-cai YANG Xue-wen |
| Institution: | 1.Department of Applied Mathematics & Applied Physics;Xian Institute of Posts and Telecommunications;Xian 710121;China;2.Institute of Physics and Information Technology;Shaanxi Normal University;Xian 710062;China;3.Department of Electronics and Information Engineering;Xian 71012;China |
| Abstract: | Light interference from liquid surface acoustic waves at low-frequency is experimentally realized.In the experiment steady and visible diffraction patterns are obtained.Theoretically the interference patterns of the surface wave diffraction are analyzed,and the corresponding analytic expression of angle width of diffraction patterns is derived.An analytic intensity distribution expression is derived theoretically according to principles of optics.Based on the discovery,a non-contact method is performed to m... |
| Keywords: | physical optics interference effect liquid surface wave surface tension |
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