Astigmatic dual-beam interferometric particle imaging for metal droplet 3D position and size measurement

Wu Yingchun; Zhuo Zhu; Lin Zhiming; Wen Botong; Wu Xuecheng; Cen Kefa

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Astigmatic dual-beam interferometric particle imaging for metal droplet 3D position and size measurement

机译：用于金属液滴3D位置和尺寸测量的散光双束干涉粒子成像

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摘要

We propose astigmatic dual-beam interferometric particle imaging (ADIPI) to simultaneously measure the three-dimensional (3D) position and size of spherical metal droplets. A theoretical model reveals that the orientation and spacing of the ADIPI fringes generated from the two reflections propagating through an astigmatic imaging system relate to the depth position and size, respectively. Proof-of-concept experiments on micron-sized gallium droplets are performed, and the tilted fringes in elliptical patterns are observed in the ADIPI interferogram, confirming theoretical predictions. Droplet 3D position and size are determined with ADIPI, and the relative discrepancies are within 5% and 2% compared to those with a dual-view digital inline holography system, demonstrating the feasibility and high accuracy of ADIPI. (C) 2021 Optical Society of America

机译：我们提出了像散双光束干涉粒子成像（ADIPI）来同时测量球形金属液滴的三维（3D）位置和大小。理论模型表明，通过像散成像系统传播的两次反射产生的ADPI条纹的方向和间距分别与深度位置和大小有关。对微米级的镓液滴进行了概念验证实验，在ADIPI干涉图中观察到椭圆图案的倾斜条纹，证实了理论预测。用ADIPI确定液滴的三维位置和大小，与双视数字在线全息系统相比，相对误差在5%和2%以内，证明了ADIPI的可行性和高精度。（2021）美国光学学会

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来源
《Optics Letters》 |2021年第8期|共4页
作者
Wu Yingchun; Zhuo Zhu; Lin Zhiming; Wen Botong; Wu Xuecheng; Cen Kefa;
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Zhejiang Univ State Key Lab Clean Energy Utilizat Hangzhou 310027 Peoples R China;

Zhejiang Univ State Key Lab Clean Energy Utilizat Hangzhou 310027 Peoples R China;

Zhejiang Univ State Key Lab Clean Energy Utilizat Hangzhou 310027 Peoples R China;

Zhejiang Univ State Key Lab Clean Energy Utilizat Hangzhou 310027 Peoples R China;

Zhejiang Univ State Key Lab Clean Energy Utilizat Hangzhou 310027 Peoples R China;

Zhejiang Univ State Key Lab Clean Energy Utilizat Hangzhou 310027 Peoples R China;

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正文语种 eng
中图分类计量学;光学;
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7. Size and Velocity Measurement by Interferometric Laser Imaging Droplet Sizing [C] . International Symposium on Measurement Techniques for Multiphase Flows(ISMTMF'2004); 20040910-12; Hangzhou(CN) . 2004

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8. 3D Particle Concentration Measurement in Turbulent Flows Using Magnetic Resonance Imaging [D] . Borup, Daniel D. 2018

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机译：从重叠的干涉式粒子图像测量液滴尺寸分布
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Astigmatic dual-beam interferometric particle imaging for metal droplet 3D position and size measurement

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