| 超声光栅的形成机理 |
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| 引用本文： | 金洪勋. 超声光栅的形成机理[J]. 兰州理工大学学报, 1997, 0(2) |
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| 作者姓名： | 金洪勋 |
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| 作者单位： | 甘肃工业大学基础课部 |
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| 摘 要： | 对超声光栅的形成机理作了理论分析，指出一维运动的超声波进入液体经金属反射板反射形成驻波，使液体的密度、折射率和相位等物理性质产生周期性变化，而形成超声相位光栅
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| 关 键 词： | 超声光栅 波动方程 叠架 衍射 相位 |
Formation mechanism of ultra sonic photo grate |
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| Jin Hongxun. Formation mechanism of ultra sonic photo grate[J]. Journal of Lanzhou University of Technology, 1997, 0(2) |
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| Authors: | Jin Hongxun |
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| Abstract: | Theoretical analysis of the formation mechanism of ultra sonic photo grate is presented. It is pointed out that the formation of standing wave with the one dimensional ultra sonic wave after entering into the liquid and reflected by metallic baffle board makes the liquid properties such as the density, refraction index, and phase vary periodically, forming, then, an ultra, sonic phase photo grate. |
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| Keywords: | ultra sonic photo grate wave equation superposition diffraction phase |
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