| 平板模型表面反射以获得应力等和线的激光干涉法 |
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| 引用本文： | 徐雅宜,Conway J.C.. 平板模型表面反射以获得应力等和线的激光干涉法[J]. 江苏大学学报(自然科学版), 1987, 0(3) |
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| 作者姓名： | 徐雅宜 Conway J.C. |
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| 作者单位： | Xu Yayi Conway，J.C. |
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| 摘 要： | 本文阐述了一种利用透明平板模型前后表面反射的两束激光相干涉以获得应力等和线的方法。文中对两束表面反射激光束的相干作用作了数学解释,并给出了实验结果。这种等和线图案与传统方法所得到的等和线有所不同。除了主应力和条纹外,还有许多细栅格线,因此利用富氏光学系统可使应力条纹得到倍增。
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| 关 键 词： | 激光干涉法 平面 反射 干涉 |
Laser Interferometry for Obtaining Isopachics with Surface Reflections from Plane Model |
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| Xu Yayi Conway,J.C.. Laser Interferometry for Obtaining Isopachics with Surface Reflections from Plane Model[J]. Journal of Jiangsu University:Natural Science Edition, 1987, 0(3) |
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| Authors: | Xu Yayi Conway J.C. |
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| Abstract: | A holographic method is demonstrated for obtaining isopachic pattern of two-dimensional stress analysis by means of interference of laser beams reflected from both surfaces of transparent model. Analytical interpretation is given of interference between beams from the surfaces. This isopachic pattern is different from those by conventional methods. Many fine gratings are observed on the isopachic pattern. The multiplication is easy to perform by using Fourier Filter System. |
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| Keywords: | laser interferometry plane surface reflection interference. |
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