Real-Time Measurement of In-Plane Translation and Tilt by Electronic Speckle Correlation
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概要
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A new real-time method of measuring in-plane translation and tilt angle of diffusely reflecting surfaces is presented. We determine the speckle displacement induced by the translation and tilt from the peak position of the cross-correlation function of the outputs of a linear image sensor positioned in the speckle field. From experiments using a microcomputer system we obtained good agreement between theory and experiments for translation between -500 μm to +500 μm and also for tilt angle ranging from -0.3 deg to +0.3 deg. Several ways for extending the capabilities of the method are suggested.
- 社団法人応用物理学会の論文
- 1980-03-05
著者
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Yamaguchi Ichirou
Optical Engineering Laboratory Institute Of Physical And Chemical Research (riken)
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Yamaguchi Ichirou
Optical Instrumentation Laboratory The Institute Of Physical And Chemical Research
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