Paper
9 December 2005 Nonlinear imaging applied to the visualization of flow patterns
Author Affiliations +
Proceedings Volume 6024, ICO20: Optical Devices and Instruments; 602427 (2005) https://doi.org/10.1117/12.666952
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China
Abstract
Flow visualization refers to a method used for qualitatively obtain information in the field of fluid mechanics. In this work, we show a simple single lens system using laser light illumination to observe flow dynamics using a setup similar to the schileren setup. As we will detail, it is based on a phase contrast technique in which the filter is made of a nonlinear optical material, therefore it is self-aligned and depends mainly on the illuminating intensity. Due to these characteristics, the resulting setup is extremely robust and builds up within a few milliseconds.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
C. G. Treviño-Palacios, M. D. Iturbe-Castillo, D. Sánchez-de-la-Llave, and L. I. Olivos-Pérez "Nonlinear imaging applied to the visualization of flow patterns", Proc. SPIE 6024, ICO20: Optical Devices and Instruments, 602427 (9 December 2005); https://doi.org/10.1117/12.666952
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KEYWORDS
Visualization

Phase contrast

Nonlinear filtering

Optical filters

Interferometers

Schlieren techniques

Fourier transforms

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