Abstract
We present a method for dynamically and quantitatively investigating the unstable reaction-diffusion process by using digital holographic interferometry. Taking substitution reaction with flat aluminum in copper sulfate solution as a sample, the reaction rate and concentration variation are quantitatively measured by numerically reconstructing a series of phase change maps reflecting the refractive index distribution and variation trend of the solution during the reaction-diffusion process. In addition, the measurement accuracy of concentration and the size resolution are analyzed. The experiment results certify the feasibility and validity of the presented method in the full-field, dynamical and quantitative measurement of unstable reaction-diffusion processes.
| Original language | English |
|---|---|
| Pages (from-to) | 1-5 |
| Number of pages | 5 |
| Journal | Optics and Lasers in Engineering |
| Volume | 57 |
| DOIs | |
| State | Published - Jun 2014 |
Keywords
- Concentration measurement
- Digital holographic interferometry
- Unstable reaction-diffusion
- Visualization and imaging
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