Real-time dual-sensitive shearography for simultaneous in-plane and out-of-plane strain measurements

Jie Dong; Shengjia Wang; Min Lu; Martin Jakobi; Zhanwei Liu; Xingchen Dong; Franziska Pöller; Laura Maria Bilgeri; Félix Salazar Bloise; Ali K. Yetisen; Alexander Walter Koch

doi:10.1364/OE.27.003276

Real-time dual-sensitive shearography for simultaneous in-plane and out-of-plane strain measurements

Jie Dong^*, Shengjia Wang, Min Lu, Martin Jakobi, Zhanwei Liu, Xingchen Dong, Franziska Pöller, Laura Maria Bilgeri, Félix Salazar Bloise, Ali K. Yetisen, Alexander Walter Koch

^*Corresponding author for this work

School of Aerospace Engineering

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

A real-time, dual-sensitive shearography system using a single-wavelength laser was developed for simultaneous and dynamic in-plane and out-of-plane strain measurements. The shearography system is capable of measuring crack-tip deformation fields quantitatively. A spatial multiplexing technique based on Fourier transform is employed for simultaneous and dynamic multi-component phase retrieval. Two slit spatial filters and a common-path shearing interferometer are used to obtain an improved phase quality for crack-tip deformation measurements. Mode-I fracture experiments under three-point bending were conducted to validate the feasibility and the capability of this method.

Original language	English
Pages (from-to)	3276-3283
Number of pages	8
Journal	Optics Express
Volume	27
Issue number	3
DOIs	https://doi.org/10.1364/OE.27.003276
Publication status	Published - 4 Feb 2019

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title = "Real-time dual-sensitive shearography for simultaneous in-plane and out-of-plane strain measurements",

abstract = "A real-time, dual-sensitive shearography system using a single-wavelength laser was developed for simultaneous and dynamic in-plane and out-of-plane strain measurements. The shearography system is capable of measuring crack-tip deformation fields quantitatively. A spatial multiplexing technique based on Fourier transform is employed for simultaneous and dynamic multi-component phase retrieval. Two slit spatial filters and a common-path shearing interferometer are used to obtain an improved phase quality for crack-tip deformation measurements. Mode-I fracture experiments under three-point bending were conducted to validate the feasibility and the capability of this method.",

author = "Jie Dong and Shengjia Wang and Min Lu and Martin Jakobi and Zhanwei Liu and Xingchen Dong and Franziska P{\"o}ller and Bilgeri, {Laura Maria} and Bloise, {F{\'e}lix Salazar} and Yetisen, {Ali K.} and Koch, {Alexander Walter}",

note = "Publisher Copyright: {\textcopyright} 2019 Optical Society of America.",

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doi = "10.1364/OE.27.003276",

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T1 - Real-time dual-sensitive shearography for simultaneous in-plane and out-of-plane strain measurements

AU - Dong, Jie

AU - Wang, Shengjia

AU - Lu, Min

AU - Jakobi, Martin

AU - Liu, Zhanwei

AU - Dong, Xingchen

AU - Pöller, Franziska

AU - Bilgeri, Laura Maria

AU - Bloise, Félix Salazar

AU - Yetisen, Ali K.

AU - Koch, Alexander Walter

PY - 2019/2/4

Y1 - 2019/2/4

N2 - A real-time, dual-sensitive shearography system using a single-wavelength laser was developed for simultaneous and dynamic in-plane and out-of-plane strain measurements. The shearography system is capable of measuring crack-tip deformation fields quantitatively. A spatial multiplexing technique based on Fourier transform is employed for simultaneous and dynamic multi-component phase retrieval. Two slit spatial filters and a common-path shearing interferometer are used to obtain an improved phase quality for crack-tip deformation measurements. Mode-I fracture experiments under three-point bending were conducted to validate the feasibility and the capability of this method.

AB - A real-time, dual-sensitive shearography system using a single-wavelength laser was developed for simultaneous and dynamic in-plane and out-of-plane strain measurements. The shearography system is capable of measuring crack-tip deformation fields quantitatively. A spatial multiplexing technique based on Fourier transform is employed for simultaneous and dynamic multi-component phase retrieval. Two slit spatial filters and a common-path shearing interferometer are used to obtain an improved phase quality for crack-tip deformation measurements. Mode-I fracture experiments under three-point bending were conducted to validate the feasibility and the capability of this method.

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SN - 1094-4087

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SP - 3276

EP - 3283

JO - Optics Express

JF - Optics Express

IS - 3

ER -

Real-time dual-sensitive shearography for simultaneous in-plane and out-of-plane strain measurements

Abstract

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