| 用光学方法测量液体表面张力系数 |
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| 引用本文： | 杨宗立.用光学方法测量液体表面张力系数[J].陕西师范大学学报,2000,28(2). |
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| 作者姓名： | 杨宗立 |
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| 作者单位： | 陕西师范大学物理学系!陕西西安710062 |
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| 摘 要： | 激光器光束照射在振动的液体表面上 ,表面回波对衍射光可产生干涉现象 ;扩束后的激光束入射在插有金属细丝的较大区域液面上 ,其反射光场分布近似为椭圆形的暗场 .利用此原理对液体表面张力系数进行了测定
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| 关 键 词： | 激光 临界反射 液体表面张力系数 |
An optical method for measuring tension coefficient of liquid surface |
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| YANG Zong-li.An optical method for measuring tension coefficient of liquid surface[J].Journal of Shaanxi Normal University: Nat Sci Ed,2000,28(2). |
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| Authors: | YANG Zong-li |
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| Abstract: | Raying a laser beam on a vibrate liquid surface, the surface each interferes with the diffraction light; Raying an expanded Laser beam on liquid surface of a large area on which a metal tinsel is inserted, in the field distribution of the reflected light is a dark elliptical field surrounded by a bright light field. To analyses the experiment result, the method for measuring the tension coefficient of liquid surface is obtained. |
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| Keywords: | laser critical reflective liquid surface tension coefficient |
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