High-speed axial-scanning wide-field microscopy for volumetric particle tracking velocimetry

被引：13

作者：

Chen, T. -H. ^{[1
]}

Ault, J. T. ^{[1
]}

Stone, H. A. ^{[1
]}

Arnold, C. B. ^{[1
]}

机构：

[1] Princeton Univ, Dept Mech & Aerosp Engn, Princeton, NJ 08544 USA

来源：

EXPERIMENTS IN FLUIDS | 2017年 / 58卷 / 05期

关键词：

ACOUSTIC GRADIENT-INDEX; IMAGE VELOCIMETRY; T-JUNCTION; FLOWS; LENS;

D O I：

10.1007/s00348-017-2316-z

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The ability to understand and visualize complex flow structures in microfluidic and biological systems relies heavily on the resolving power of three-dimensional (3D) particle velocimetry techniques. We propose a simple technique for acquiring volumetric particle information with the potential for microsecond time resolution. By utilizing a fast varifocal lens in a modified wide-field microscope, we capture both volumetric and planar information with microsecond time resolution. The technique is demonstrated by tracking particle motions in the complex, three-dimensional flow in a high Reynolds number laminar flow at a branching arrow-shaped junction.

引用

页数：7

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