Molecular trace detection in liquids using refocusing optical feedback by a silver-coated capillary
Kang Chen, Zhoutao Sun, Xiaohui Fang, Lei Zha, Yu Han, Hongmei Liu, Jinxin Guo, Xinping Zhang
Abstract
Due to the refocusing optical feedback in the silver-coated capillary, the uniform SERS sensitivity across the end face of large-size liquid channel is realized.
Topics & Concepts
Capillary actionTRACE (psycholinguistics)Sensitivity (control systems)Materials scienceChannel (broadcasting)OpticsOptoelectronicsNanotechnologyAnalytical Chemistry (journal)ChemistryChromatographyComputer scienceElectronic engineeringPhysicsComposite materialTelecommunicationsLinguisticsEngineeringPhilosophyGold and Silver Nanoparticles Synthesis and ApplicationsSpectroscopy Techniques in Biomedical and Chemical ResearchOrbital Angular Momentum in Optics