Diffraction grating-based sensing optofluidic device for measuring the refractive index of liquids

被引：16
|
作者：
Calixto, Sergio [1 ]
Bruce, Neil C. [2 ]
Rosete-Aguilar, Martha [2 ]
机构：
[1] Ctr Invest Opt, Leon 37150, Gto, Mexico
[2] Univ Nacl Autonoma Mexico, CCADET, Mexico City 04510, DF, Mexico
来源：
OPTICS EXPRESS | 2016年 / 24卷 / 01期
关键词：
INTERFEROMETER; TEMPERATURE; OPTICS; FLUIDS; WATER;
D O I：
10.1364/OE.24.000180
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We describe a simple and versatile optical sensing device for measuring refractive index of liquids. The sensor consists of a sinusoidal relief grating in a glass cell. Device calibration is done by pouring in the cell different liquids of known refractive indices. Each time a liquid is poured first order intensity is measured. The fabrication process and testing of the prototype device is described. An application in the measurement of temperature is also presented. (C) 2016 Optical Society of America
引用
收藏
页码：180 / 190
页数：11
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