| 用激光外差法探测固体表面超声位移 |
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| 引用本文： | 白世武,李红卫.用激光外差法探测固体表面超声位移[J].北京科技大学学报,1995,17(6):590-594. |
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| 作者姓名： | 白世武 李红卫 |
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| 作者单位： | 北京科技大学物理系 |
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| 摘 要： | 论述了应用激光外差和锁相环解调原理探测固体表面超声位移的原理、方法、并利用激光外差干涉仪对固体表面的超声位移进行了探测，得到了很好的结果。
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| 关 键 词： | 超声测量 激光外差 干涉仪 超声位移 固体表面 |
Detecting Ultrasonic Displacement on Solid Surface by Laser Heterodyne Method |
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| Bai Shiwu, Li Hongwei, Gong Yuliang.Detecting Ultrasonic Displacement on Solid Surface by Laser Heterodyne Method[J].Journal of University of Science and Technology Beijing,1995,17(6):590-594. |
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| Authors: | Bai Shiwu Li Hongwei Gong Yuliang |
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| Abstract: | The principle and way of dectecing ultrasonic displacement of solid surfaces with laser heterodyne and phase-lockedloop to demodulate are described. Ultrasonic displacement of solid surfaces is detected with a laser heterodyne interferometer and a satisfactory conclusion is got. |
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| Keywords: | ultrasonic measurement laser heterodyne interferometer |
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