Dual Fiber-Optic Fabry–Perot Interferometer Temperature Sensor with Low-Cost Light-Emitting Diode Light Source
Dual Fiber-Optic Fabry–Perot Interferometer Temperature Sensor with Low-Cost Light-Emitting Diode Light Source
复制标题
具有低成本发光二极管光源的双光纤法布里-珀罗干涉仪温度传感器
DOI：
10.1143/jjap.47.3236
复制
发表时间：
2008
影响因子：
1.5
通讯作者：
H. Taylor
中科院分区：
文献类型：
--
作者：
Mu;Z. Hsieh;Y. Tseng;F. Tseng;Heng;Jon;H. Taylor
研究了一种以低相干通信系统发光二极管（LED）为光源的双光纤法布里-珀罗干涉仪（FFPI）传感器系统，用于检测温度变化信号。在该系统中，存在两个FFPI：感测FFPI和参考FFPI。当感兴趣的扰动（例如温度的扰动）干扰感测FFPI以产生相移时，从传感器反射的光由参考FFPI解调以提取被测变量。低功率（sub-nW）光信号被转换成电信号并由设计的光接收器处理。该装置可有效地应用于生物传感器中，以补偿传感环境中的温度变化或在内部局部站点上感测特定测量中的温度效应。
A dual fiber-optic Fabry–Perot interferometer (FFPI) sensor system with a low-coherence communication-system light-emitting diode (LED) as a light source is investigated to detect temperature variation signals. In this system, there are two FFPIs: the sensing and reference FFPIs. When the perturbation of interest, such as that of temperature, disturbs the sensing FFPI to produce a phase shift, the light reflected from the sensor is demodulated by the reference FFPI to extract the measurand. A low-power (sub-nW) optical signal is converted into an electrical signal and processed by a designed optical receiver. This setup is availably applied in biosensors to compensate the temperature variation in a sensing environment or sense the temperature effect in a certain measurement on an interior local site.