3D Deformation Measurement Method of Multi-Camera Digital Holography

Meijuan Zhang; Haiting Xia; Qinghe Song; Rongxin Guo; Shirong Wang; Qiang Fang

doi:10.3788/LOP202259.1609001

Journals >Laser & Optoelectronics Progress >Volume 59 >Issue 16 >Page 1609001 > Article

Laser & Optoelectronics Progress
Vol. 59, Issue 16, 1609001 (2022)

3D Deformation Measurement Method of Multi-Camera Digital Holography

Meijuan Zhang^1、3, Haiting Xia^{1、3、4、*}, Qinghe Song^2、3、**, Rongxin Guo^1、3, Shirong Wang², and Qiang Fang^1、3

Author Affiliations

¹Faculty of Civil Engineering and Mechanics, Kunming University of Science and Technology, Kunming 650500, Yunnan , China

²Faculty of Science, Kunming University of Science and Technology, Kunming 650500, Yunnan , China

³Yunnan Key Laboratory of Disaster Reduction in Civil Engineering, Kunming 650500, Yunnan , China

⁴Faculty of Civil Aviation and Aeronautics, Kunming University of Science and Technology, Kunming 650500, Yunnan , China

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DOI: 10.3788/LOP202259.1609001 Cite this Article Set citation alerts

Meijuan Zhang, Haiting Xia, Qinghe Song, Rongxin Guo, Shirong Wang, Qiang Fang. 3D Deformation Measurement Method of Multi-Camera Digital Holography[J]. Laser & Optoelectronics Progress, 2022, 59(16): 1609001 Copy Citation Text

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Fig. 1. Optical setup of multi-camera digital holography

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Fig. 2. Scheme for illumination vector and observation vector

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Fig. 3. Three-dimensional displacement field calculated by ANSYS (

1200 \times 1200

).（a）Schematic diagram of force on object；（b）displacement component

d_{x_{0}}

；（c）displacement component

d_{y_{0}}

；（d）displacement component

d_{z_{0}}

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Fig. 4. Phase difference results calculated by holographic simulation. (a) Wrapped phase distribution; (b) unwrapped phase difference distribution

Δ φ_{1}

; (c) unwrapped phase difference distribution

Δ φ_{2}

; (d) unwrapped phase difference distribution

Δ φ_{3}

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Fig. 5. Three-dimensional displacement field simulation results. (a) Displacement component

d_{x_{0}}

; (b) displacement component

d_{y_{0}}

; (c) displacement component

d_{z_{0}}

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Fig. 6. Phase difference results calculated by experiment. (a) Unwrapped phase difference distribution

Δ φ_{1}

; (b) Unwrapped phase difference distribution

Δ φ_{2}

; (c) Unwrapped phase difference distribution

Δ φ_{3}

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Fig. 7. Experimental results of three dimensional displacement field. (a) Displacement component

d_{x_{0}}

; (b) displacement component

d_{y_{0}}

; (c) displacement component

d_{z_{0}}

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Fig. 8. Comparison of simulation and experimental results. (a) Profile comparison of displacement component

d_{x_{0}}

at y=600 pixel; (b) profile comparison of displacement component

d_{y_{0}}

at x=600 pixel; (c) profile comparison of displacement component

d_{z_{0}}

at y=600 pixel

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