Following the drying process of Fevicol (adhesive) by dynamic speckle measurement

被引：13

作者：

Ansari M.Z. ^{[1
]}

Nirala A.K. ^{[1
]}

机构：

[1] Biomedical Optics Laboratory, Department of Applied Physics, Indian School of Mines Dhanbad, Dhanbad, 826004, Jharkhand

来源：

Journal of Optics (India) | 2016年 / 45卷 / 04期

关键词：

Activity; Auto-correlation; Drying of Fevicol; Dynamic speckle; Inertia Moment; Speckle contrast;

D O I：

10.1007/s12596-015-0298-x

中图分类号：

学科分类号：

摘要：

This work presents the study of drying of Fevicol (adhesive) using dynamic laser speckle technique. Dynamic laser speckle analysis is a non-invasive method that does not disturb the drying process. A low power laser light illuminates the sample and corresponding speckle images of the sample resulting from the phenomenon of interference are registered. If the sample shows activity, the speckle pattern changes in time. Following this evolution, we can analyze the drying process by means of image processing algorithms. In this work, the application of dynamic speckle technique to follow the drying process of Fevicol with different drying times is presented. Results obtained using numerical methods of Inertia Moment and cross-correlation show that quantitative evaluation of spatial temporal speckle activities can be used to monitor Fevicol drying process. The approaches such as auto-correlation and speckle contrast using temporal correlation allowed differentiating different stages of drying. In addition, the techniques allowed their applicability to follow the slow streaming of Fevicol from the coin surface. © 2015, The Optical Society of India.

引用

页码：357 / 363

页数：6

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