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Study about terahertz spectra of glucose solution based on BWO
Author(s): 
Pages: 62-66
Year: Issue:  2
Journal: Optical Instruments

Keyword:  太赫兹返波振荡器葡萄糖溶液数字锁相放大器;
Abstract: 搭建了一套以返波振荡器(BWO)为辐射源的太赫兹透射式系统.通过高莱探测器、数字锁相放大器等完成测试信号的探测和存储,在LabVIEW编程环境下,完成配合系统硬件工作的软件平台的编写,利用VISA模块实现对下位机的参数设置以及数据采集工作.利用这套系统进行了单频和扫频实验,分别测试了不同葡萄糖溶液浓度的透过率.结果表明,葡萄糖溶液对太赫兹波有透过特征峰,不同浓度葡萄糖溶液对太赫兹波的吸收不一样.该研究为以后基于BWO的太赫兹生物传感器研究提供了参考.
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