折射率
材料科学
光子晶体
光学
灵敏度(控制系统)
光电子学
波长
制作
光子学
流体学
电子工程
物理
医学
替代医学
病理
工程类
航空航天工程
作者
Y. Liu,H. W. M. Salemink
出处
期刊:Optics Express
[The Optical Society]
日期:2012-08-15
卷期号:20 (18): 19912-19912
被引量:125
摘要
In this paper we demonstrate a sensor based on a twodimensional photonic crystal cavity structure.Design, theoretical simulations, fabrication and experiments are shown to illustrate the working principle of this device.Sensitivity of our sensor is determined by observing the shift of resonant wavelength of the photonic crystal cavity as a function of the refractive index variation of the analyte.By experimentally infiltrating solutions of water and ethanol through an elastomeric micro-fluidic channel, we have confirmed that our all-optical sensor achieves a sensitivity of 460 nm/RIU.
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