Phase evaluation of speckle patterns during continuous deformation by use of phase-shifting speckle interferometry

Torgny E. Carlsson; An Wei

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Phase evaluation of speckle patterns during continuous deformation by use of phase-shifting speckle interferometry

机译：使用相移斑点干涉法对连续变形期间的斑点图案进行相位评估

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A method for measurement of continuous displacements that uses phase-shifting speckle interferometry is presented. The initial random phase of the speckle pattern is evaluated by phase shifting before deformation. The changing phase thereafter is evaluated from only one image at a time by a least-squares algorithm. The technique can be used for measuring transients and other dynamic events, heat expansion as well as other phenomena, for which it is difficult to accomplish phase shifting during deformation. Theory along with computer simulations and experimental results are described.

机译：提出了一种使用相移斑点干涉法测量连续位移的方法。通过变形之前的相移来评估斑点图案的初始随机相位。此后，通过最小二乘算法一次仅从一个图像评估变化的相位。该技术可用于测量瞬变和其他动态事件，热膨胀以及其他现象，因此很难在变形过程中完成相移。描述了理论以及计算机仿真和实验结果。

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《Applied optics》 |2000年第16期|共10页
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Torgny E. Carlsson; An Wei;
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正文语种 eng
中图分类光学;
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1. Phase evaluation of speckle patterns during continuous deformation by use of phase-shifting speckle interferometry [J] . Torgny E. Carlsson, An Wei Applied optics . 2000,第16期

机译：使用相移斑点干涉法对连续变形期间的斑点图案进行相位评估
2. Use of specklegrams background terms for speckle photography combined with phase-shifting electronic speckle pattern interferometry [J] . Redouane Zemmamouche, Jean-François Vandenrijt, Aīcha Medjahed, Optical engineering . 2015,第8期

机译：散斑图背景术语在散斑摄影中结合相移电子散斑图干涉法的使用
3. Study of adaptive elliptical ideal low-pass filters used for denoising of digital speckle interferograms obtained in phase-shifting digital speckle pattern interferometry [J] . Wang G., Wang K. Journal of Modern Optics . 2013,第12a13期

机译：自适应椭圆理想低通滤波器对相移数字散斑干涉图中获得的数字散斑干涉图进行降噪的研究
4. Micro Deformation Measurement Using Temporal Phase-Shifting and Spatial-Carrier Digital Speckle Pattern Interferometry [C] . Sijin Wu, Xinya Gao, Yong Lv, SAE World Congress and Exhibition . 2016

机译：使用时间相移和空间载波数字散斑图案干涉测量微观变形测量
5. Contrast mechanisms affecting measurements of photothermal deformations using electronic shearing speckle pattern interferometry. [D] . Champion, John Lunsford. 1998

机译：对比机制影响使用电子剪切散斑图案干涉测量光热变形的测量。
6. Quantitative assessment of soft tissue deformation using digital speckle pattern interferometry: studies on phantom breast models [O] . Udayakumar Karuppanan, Sujatha Narayanan Unni, Ganesan R. Angarai 2017

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Phase evaluation of speckle patterns during continuous deformation by use of phase-shifting speckle interferometry

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