Deformation reconstruction by means of surface optimization. Part II: time-resolved electronic speckle pattern interferometry

Statsenko T.; Chatziioannou V; Moore T.; Kausel W.

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Deformation reconstruction by means of surface optimization. Part II: time-resolved electronic speckle pattern interferometry

机译：通过表面优化变形重建。第二部分：时间分辨的电子散斑模式干涉测量

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An analysis of time-resolved electronic speckle pattern interferograms using an optimization algorithm is shown to provide full-field measurements of transient surface deformation. The arrangement uses a continuous-wave laser and high-speed camera to capture speckle images, with the recovery of the time-resolved deformation achieved by spatiotemporal processing using an optimization algorithm. It is shown that the process allows imaging of high-speed non-monotonic out-of-plane displacements with sub-micrometer amplitude. Time-resolved amplitude and phase recovery is demonstrated by analyzing the out-of-plane deformation of harmonic and transient events in a friction membranophone.

机译：示出了使用优化算法的时间分辨电子散斑图案干涉图的分析，可提供瞬态表面变形的全场测量。该布置使用连续波激光和高速相机来捕获斑点图像，通过使用优化算法恢复通过时空处理所实现的时间分辨变形。结果表明，该过程允许与子微米幅度的高速非单调外位移成像。通过分析摩擦膜中的谐波和瞬态事件的平面外变形来证明时间分辨幅度和相位回收。

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《Applied optics》 |2018年第13期|共9页
作者
Statsenko T.; Chatziioannou V; Moore T.; Kausel W.;
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Univ Mus &

Performing Arts Vienna Dept Mus Acoust IWK Anton von Webern Pl 1 A-1030 Vienna Austria;

Univ Mus &

Performing Arts Vienna Dept Mus Acoust IWK Anton von Webern Pl 1 A-1030 Vienna Austria;

Rollins Coll Dept Phys 1000 Holt Ave 2743 Winter Pk FL 32789 USA;

Univ Mus &

Performing Arts Vienna Dept Mus Acoust IWK Anton von Webern Pl 1 A-1030 Vienna Austria;

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正文语种 eng
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Deformation reconstruction by means of surface optimization. Part II: time-resolved electronic speckle pattern interferometry

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