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| CCD探测器在测量金属丝线膨胀系数中的应用 | |
| 引用本文： | 张瑛,李尧. CCD探测器在测量金属丝线膨胀系数中的应用[J]. 物理实验, 2002, 22(12): 38-39,48 |
| 作者姓名： | 张瑛 李尧 |
| 作者单位： | 1. 东北师范大学物理系,长春,130024 2. 北华大学物理系,吉林,132001 |
| 摘 要： | 利用CCD探测器分别测出常温和高温下金属丝衍射花样相邻暗纹的间距，用光学高温计测出加热时的温度值，从而求出线膨胀系数。 |
| 关 键 词： | CCD探测器 测量 金属丝 线膨胀系数 衍射条纹 电荷耦合器件 |
| 文章编号： | 1005-4642(2002)12-0038-02 |
Applications of CCD detector in measuring coefficient of linear expansion of wire |
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| ZHANG Ying ) LI Yao ). Applications of CCD detector in measuring coefficient of linear expansion of wire[J]. Physics Experimentation, 2002, 22(12): 38-39,48 | |
| Authors: | ZHANG Ying ) LI Yao ) |
| Affiliation: | ZHANG Ying 1) LI Yao 2) |
| Abstract: | The distance between adjacent dark fringes of diffraction fringe of wire is determined at low and high temperature by CCD detector, the value of high temperature is measured by pyrophotometer, and the coefficient of linear expansion of wire is calculated. |
| Keywords: | CCD coefficient of linear expansion diffraction fringe |
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