为了克服传统光纤化学传感器的不足,提出了基于倏逝波原理的本征型光纤化学传感器.根据光线理论数值分析了传感器几何结构参数,溶液折射率与灵敏度的关系.通过化学腐蚀方法制备出不同参数结构的传感器,进行实验系统设计,并用不同浓度亚甲基蓝溶液对这些传感器进行了实验研究.实验结果与数值计算结果一致,传感区纤芯越细,越长,其灵敏度越高.
参考文献
| [1] | Shen Weimin,Zhang Yi,Zhang Hongan,et al.Optical fiber temperature sensor for temperature measuring in oil tank[J].Journal of Optoelectronies·Laser(光电子·激光),1997,8(4):254-256(in Chinese). |
| [2] | Guo Mingjin,Jiang Desheng,Yuan Hongcai.Studies on fiber Bragg grating pressttre sensor based on the diaphragm[J].Chinese Journal of Quantum Electronics(量子电子学报),2006,23(2):258-262(in Chinese). |
| [3] | Xiao Shaorong.Properties of the two-way optical fiber sensor for displacement based on parabolic index fiber[J].Chinese Journal of Quantum Electronics(量子电子学报),1999,16(2):186-189(in Chinese). |
| [4] | Wolfbeis O S.Fiber-optic chemical sensors and biosensors[J].Analytical Chemistry,2004,76(12):3269-3284. |
| [5] | Fan Shifu,Chen Li,Xiao Songshan,et al.Optical fiber sensor for chemical(and biochemical)sensing and its development[J].Optical Instruments(光学仪器),1999,21(1):37-44(in Chinese). |
| [6] | Mignani A G,Falcial R,Ciaccheri L.Evanescent wave absorption spectroscopy by means of bi-tapered multimode optical fibers[J].Applied Spectroscopy,1998,52(4):546-551. |
| [7] | Snyder A W,Love J D.Optical Waveguide Theory.[M].New York:Chapman and Hall,1983:120-127,666-690. |
| [8] | Gupta B D,Singh C D.Fiber-optic evanescent field absorption sensor:a theoretical evaluation[J].Fiber and Integrated Optics,1994,13:433-443. |
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