用于非侵入式拉曼光谱学的氟碳纤维光学拉曼探头。
Fluorocarbon fiber-optic Raman probe for non-invasive Raman spectroscopy.
机构信息
Department of Chemistry, University of Michigan, Ann Arbor, 48109-1055, USA.
出版信息
Appl Spectrosc. 2012 Jun;66(6):728-30. doi: 10.1366/12-06592.
Abstract
We report the development of a novel fiber-optic Raman probe using a graded index fluorocarbon optical fiber. The fluorocarbon fiber has a simple Raman spectrum, a low fluorescence background, and generates a Raman signal that in turbid media serves as an intense reference Raman signal that corrects for albedo. The intensity of the reference signal can easily be varied as needed by scaling the length of the excitation fiber. Additionally, the fluorocarbon probe eliminates the broad silica Raman bands generated in conventional silica-core fiber without the need for filters.
摘要
我们报告了一种新型光纤拉曼探头的开发，该探头使用了渐变折射率氟碳光纤。氟碳光纤具有简单的拉曼光谱、低荧光背景，并产生拉曼信号，在混浊介质中用作强烈的参考拉曼信号，可校正反射率。参考信号的强度可以通过调整激发光纤的长度来轻松地按需改变。此外，氟碳探头消除了传统的二氧化硅芯光纤中产生的宽的二氧化硅拉曼带，而无需滤波器。
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