Real-time monitoring of corks' water absorption using laser speckle temporal correlation

被引：0
|
作者：
Nassif, Rana [1 ]
Abou Nader, Christelle [1 ,2 ]
Pellen, Fabrice [2 ]
Le Jeune, Bernard [2 ]
Le Brun, Guy [2 ]
Abboud, Marie [1 ]
机构：
[1] St Joseph Univ, Fac Sci, UR TVA, Dept Phys, Beirut 11072050, Lebanon
[2] Univ Bretagne Occidentale, Lab Spectrometrie & Opt Laser, F-29269 Brest, France
来源：
SPECKLE 2015: VI INTERNATIONAL CONFERENCE ON SPECKLE METROLOGY | 2015年 / 9660卷
关键词：
speckle; cork; water absorption; correlation; activity;
D O I：
10.1117/12.2192077
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Physical and mechanical properties of cork allow it solving many types of problems and make it suitable for a wide range of applications. Our objective consists into studying cork's water absorption by analyzing the dynamic speckle field using the temporal correlation method. Experimental results show that the medium was inert at first with the absence of activity, and as the cap cork was more and more immersed into water, the presence of the activity becomes more significant. This temporal parameter revealed the sensibility of biospeckle method to monitor the amount of absorbed water by cork caps.
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页数：4
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