18 November 2013 Tracking of wet foam ageing by means of dynamic laser speckle and computer optical mouse
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Proceedings Volume 8785, 8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications; 878534 (2013) https://doi.org/10.1117/12.2025751
Event: 8th Ibero American Optics Meeting/11th Latin American Meeting on Optics, Lasers, and Applications, 2013, Porto, Portugal
Abstract
Tracking of wet foam ageing by means of dynamic laser speckle and an optical flow sensor is presented. Using a computer optical mouse, like an optical flow sensor, a strong negative correlation between the average speed of the cursor and the coarsening of bubble was found. We used microscopic images to demonstrate that decreasing of speed is related with increasing of bubble size. The proposed setup allows sensitive measures, is not very expensive and highly portable.
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Jáder Guerrero, Alexandra Plata Planidina, Enrique Mejía-Ospino, Rafael Cabanzo, "Tracking of wet foam ageing by means of dynamic laser speckle and computer optical mouse", Proc. SPIE 8785, 8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications, 878534 (18 November 2013); doi: 10.1117/12.2025751; https://doi.org/10.1117/12.2025751
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