光纤氧气传感器的传感膜制备及弱荧光检测  

Preparation of the Sensing Membrane of Fiber Optic Oxygen Sensor and the Detecting of Its weak Fluorescence

作　　者：黄俊[1] 张建标[1] 姜德生[1] 王立新[1] 

机构地区：[1]武汉理工大学光纤中心,武汉430070

出　　处：《化学传感器》2001年第1期25-29,共5页Chemical Sensors

摘　　要：研制了一种基于荧光猝灭原理的光纤氧气传感器。制备了醋酸纤维素传感膜并研究了其性能,结果表明,该传感膜均匀、稳定、响应快。采用锁相放大技术,实现了对弱荧光信号的检测。该传感器具有较高的检测精度、较好的重复性和稳定性。A kind of fiber optic oxygen sensor based on fluorescence quenching has been studied.The cellulose acetate sensing membranes has been prepared and its properties have been studied.The results show that this kind of sensing membrane is uniform,stable and response fast.By using the phase lock amplifying technology,the weak fluorescence of the sensor head has been detected.The sensor has high detecting precision,good repro- ducibility and stability.

关 键 词：光纤氧气传感器 传感膜 锁相放大 相位滞后 制备 弱荧光检测 

分 类 号：TP212.14[自动化与计算机技术—检测技术与自动化装置]