Particle motion trajectory tracking based on fiber optic tweezers  

作　　者：ZHAO Cun DONG Taiji GAO Bingkun LIU Xu ZHANG Zihua 

机构地区：[1]Department of Electrical Information Engineering,Northeast Petroleum University Qinhuangdao Campus,Qinhuangdao 066004,China [2]College of Electrical and Information Engineering,Northeast Petroleum University,Daqing 163318,China [3]Faculty of Materials and Manufacturing,Beijing University of Technology,Beijing 100124,China

出　　处：《Optoelectronics Letters》2023年第8期462-467,共6页光电子快报(英文版)

基　　金：supported by the National Natural Science Foundation of China (No.61422301)。

摘　　要：A biosensor based on single-fiber optical tweezers is proposed,which can detect the motion trajectory of cells based on the stable capture and transmission of silica microspheres as well as biological yeast cells by using a tapered optical fiber as a sensing element.The interference cavity is formed by using the fiber tip and the target particle,the detected interference signal is demodulated using Hilbert transform,and the displacement curve of the particle is plotted to realize the particle motion trajectory tracking.This method provides potential technical support for process monitoring of targeted drug delivery in biomedicine.

关 键 词：FIBER MOTION PARTICLE 

分 类 号：TN253[电子电信—物理电子学] TP212.3[自动化与计算机技术—检测技术与自动化装置]