基于相位测量的角漂移自适应结构表面等离子体共振气体折射率测量系统
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摘要
提出了一种可抑制角漂移的表面等离子体传感器结构,并结合相位测量设计了相应的气体折射率测量系统。分析表明激光入射角、金膜厚度以及反射光p、s分量的相位差与气体折射率之间的固有非线性是影响相位响应度与折射率测量精度的主要因素。计算表明所提出的自适应结构将角漂移引起的误差降低了一个数量级并很大程度提高了测量灵敏度。同时分析设计了金膜厚度参数,并评估了反射光p、s分量的相位差与气体折射率之间固有非线性带来的误差。应用于空气折射率的测量比对实验显示其测量精度达到了10-6量级。
A surface plasmon resonance(SPR) sensor with self-adaptive structure for angle shift is presented.Combined with phase detection,a measurement system for the gas refractive index is designed.The theoretical analyses indicate that the factors which affect the response of phase detection and measurement precision are the incident angle of the laser beam,the thickness of the gold film and the nonlinearity between the phase difference of p and s polarization components of the reflected light and the refractive index of gas.The application of the self-adaptive SPR sensor reduces the measurement error by one-order of magnitude and greatly improves the sensitivity.The thickness of the gold film is designed and the error which results from the nonlinearity between the phase difference of p and s polarization components of the reflected light is evaluated as well.The comparison experiments of measuring the refractive index of air show that the accuracy of the gas refractive index measurement system reaches 10-6 order.
A surface plasmon resonance(SPR) sensor with self-adaptive structure for angle shift is presented.Combined with phase detection,a measurement system for the gas refractive index is designed.The theoretical analyses indicate that the factors which affect the response of phase detection and measurement precision are the incident angle of the laser beam,the thickness of the gold film and the nonlinearity between the phase difference of p and s polarization components of the reflected light and the refractive index of gas.The application of the self-adaptive SPR sensor reduces the measurement error by one-order of magnitude and greatly improves the sensitivity.The thickness of the gold film is designed and the error which results from the nonlinearity between the phase difference of p and s polarization components of the reflected light is evaluated as well.The comparison experiments of measuring the refractive index of air show that the accuracy of the gas refractive index measurement system reaches 10-6 order.
引文
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18C.R.Lavers,J.S.Wilkinson.A waveguide-coupled surface-plasmon sensor for an aqueous environment[J].Sensors andActuators B,1994,22(1):75～81
19R.C.Jorgenson,S.S.Yee.A fiber-optic chemical sensor basedon surface plasmon resonance[J].Sensors and Actuators B,1993,12(3):213～220
20Yu Xinglong,Wang Dongsheng,Wang Dingxin.Micro-arraydetection system for gene expression products based on surfaceplasmon resonance imaging[J].Sensors and Actuators B:Chemical,2003,91(13):133～137
21S.G.Nelson,K.S.Johnston,S.S Yee.High sensitivitysurface plasmon resonance sensor based on phase detection[J].Sensors and Actuators B,1996,35(36):187～191
22J.S.Yuk,H.S.Kim,J.W.Jung et al..Analysis of proteininteractions on protein arrays by a novel spectral surface plasmonresonance imaging[J].Biosensors and Bioelectronics,2006,21(8):1521～1528
23J.B.Beusink,A.M.C.Lokate,G.A.J.Besselink et al..Angle-scanning SPR imaging for detection of biomolecularinteractions on microarrays[J].Biosensors and Bioelectronics,2008,23(6):839～844
24LüQiang,Huang Dexiu,Yuan Xiuhua.Stability research ofwater quality analysis system based on surface plasmon resonance[J].Acta Photonica Sinica,2007,36(7):1268～1272吕强,黄德修,元秀华.基于表面等离子体体共振的水质分析系统稳定性研究[J].光子学报,2007,36(7):1268～1272
25Wan Yan,Liang Dakai,Zeng Jie et al..Prism surface plasmonwave sensor system based on polarizing beam splitter[J].ActaOptica Sinica,2010,30(5):1354～1357万艳,梁大开,曾捷等.基于偏振分光棱镜的表面等离子体波传感系统[J].光学学报,2010,30(5):1354～1357
26Wang Yuandong,Ma Xiaohong,Zhao Huafeng.SPR sensor baseon phase detection by using harmonics analysis[J].J.Optoelectronics.Laser,2009,20(10):1298～1301王远东,马晓红,赵华风.基于谐波分析的相位型表面等离子体共振传感器[J].光电子.激光,2009,20(10):1298～1301
27Guan Chunying,Yuan Libo,Shi Jinhui.Microstructured-fibersurface plasmon resonance sensor[J].Acta Optica Sinica,2011,31(2):0206003关春颖,苑立波,史金辉.微孔光纤表面等离子体共振传感特性分析[J].光学学报,2011,31(2):0206003
28Zheng Long,Zhang Xia,Shi Lei et al..Surface plasmonresonance sensors based on Au-metalized nanolayer inmicrostructured optical fibers[J].Laser&OptoelectronicsProgress,2011,48(1):012401郑龙,张霞,施雷等.基于金纳米层的微结构光纤表面等离子体共振传感器[J].激光与光电子学进展,2011,48(1):012401
29Chen Tao,Guo Jihua.Locus of reflectivity in complexcoordinates during surface plasma resonance[J].J.TsinghuaUniversity,2003,43(2):285～288陈涛,郭继华.光激发表面等离子体波反射系数在复平面的轨迹[J].清华大学学报,2003,43(2):285～288
2Zheng Rongsheng,Lu Yonghua,Lin Kaiqun et al..Recentprogress of research on surface plasmon resonance sensors[J].Chinese J.Quantum Electronics,2008,25(6):658～664郑荣升,鲁拥华,林开群等.表面等离子体共振传感器研究的新进展[J].量子电子学报,2008,25(6):658～664
3Berrier Audrey,Offermans Peter,Cools Ruud et al..Enhancingthe gas sensitivity of surface plasmon resonance with ananoporous silica matrix[J].Sensor and Actuators B-Chemal,2011,160(1):181～188
4Leong Haisheng,Guo Junpeng.Surface plasmon resonance insuperperiodic metal nanoslits[J].Opt.Lett.,2011,36(24):4764～4766
5Pelossof Gilad,Tel-Vered Ran,Willner Itamar.Amplifiedsurface plasmon resonance and electrochemical detection ofPb(2+)ions using the Pb(2+)-dependent DNAzyme andHemin/G-quadruplex as a label[J].Analytical Chemistry,2012,84(8):3703～3709
6Hong Xiaogang,Xu Wendong,Zhao Chengqiang et al..Optimaldesign of surface plasmon resonance films structure[J].ActaOptica Sinica,2010,30(7):2164～2169洪小刚,徐文东,赵成强等.表面等离子体共振膜系结构优化设计[J].光学学报,2010,30(7):2164～2169
7Schuster Tobias,Herschel Reinhold,Neumann Niels et al..Miniaturized long-period fiber grating assisted surface plasmonresonance sensor[J].J.Lightwave Technol.,2012,30(8):1003～1008
8Li Ying,Zhong Jin′gang,Zhang Yonglin et al..Constructionbasis of biotic gene chip checking system with surface plasmonresonance imaging[J].Acta Photonica Sinica,2007,36(12):2290～2293李莹,钟金钢,张永林等.表面等离子体共振成像生物芯片检测系统[J].光子学报,2007,36(12):2290～2293
9Liu Zhigang,Huang Haizhen,Yuan Ping.Detection of bindingof antibodies with recombinant house dust mite allergen(rDer p2)by surface plasmon resonance technique[J].Spectroscopy andSpectral Analysis,2009,29(2):293～296刘志刚,黄海珍,袁萍.表面等离子体共振技术检测重组户尘螨变应原rDer p2与抗体的结合[J].光谱学与光谱分析,2009,29(2):293～296
10Shi Xueliang,Zheng Shilie,Chi Haoet al..All-optical modulatorwith long range surface plasmon resonance[J].Opt.&LaserTechnol.,2012,44(5):1442～1445
11Li Ying,Liu Xia,Lin Zhao.Recent developments andapplications of surface plasmon resonance biosensors for thedetection of mycotoxins in foodstuffs[J].Food Chemistry,2012,132(3):1549～1554
12Wu Pinghui,Gu Juguan,Liu Bin et al..Experimental researchon wavelength modulation surface plasmon resonance sensor[J].Laser&Optoelectronics Progress,2012,49(2):022501吴平辉,顾菊观,刘彬等.波长检测型表面等离子体共振传感器的实验研究[J].激光与光电子学进展,2012,49(2):022501
13Zhang Mei,Dai Jixiang,Yang Minghong et al..Fiber-opticsurface plasmon resonance hydrogen sensor based on palladiumcoating[J].Chinese J.Lasers,2011,38(12):1205005张美,代吉祥,杨明红等.基于表面等离子体共振的钯膜氢气传感器[J].中国激光,2011,38(12):1205005
14E.Kretschmann,H.Raether.Radiative decay of non-radiativesurface plasmons excited by light[J].Zeitschrift furNaturforschung A,1968,A23(12):2135～2136
15A.Otto.Excitation of surface plasma waves in silver by themethod of frustrated total reflection[J].Zeitschrift fur PhysikA,1968,216(4):398～410
16J.Homola,I.Koudela,S.Yee.Surface plasmon resonancesensor based on diffraction gratings and prism couplers:sensitivity comparison[J].Sensors and Actuators B,1999,54(1):16～24
17Liu Chang,Zou Zhengfeng,Chen Shufenet al..Surface plasmonresonance sensor based on compact disk grating[J].Chinese J.Lasers,2012,39(3):0314001刘畅,邹正峰,陈淑芬等.基于光盘光栅的表面等离子体共振传感器[J].中国激光,2012,39(3):0314001
18C.R.Lavers,J.S.Wilkinson.A waveguide-coupled surface-plasmon sensor for an aqueous environment[J].Sensors andActuators B,1994,22(1):75～81
19R.C.Jorgenson,S.S.Yee.A fiber-optic chemical sensor basedon surface plasmon resonance[J].Sensors and Actuators B,1993,12(3):213～220
20Yu Xinglong,Wang Dongsheng,Wang Dingxin.Micro-arraydetection system for gene expression products based on surfaceplasmon resonance imaging[J].Sensors and Actuators B:Chemical,2003,91(13):133～137
21S.G.Nelson,K.S.Johnston,S.S Yee.High sensitivitysurface plasmon resonance sensor based on phase detection[J].Sensors and Actuators B,1996,35(36):187～191
22J.S.Yuk,H.S.Kim,J.W.Jung et al..Analysis of proteininteractions on protein arrays by a novel spectral surface plasmonresonance imaging[J].Biosensors and Bioelectronics,2006,21(8):1521～1528
23J.B.Beusink,A.M.C.Lokate,G.A.J.Besselink et al..Angle-scanning SPR imaging for detection of biomolecularinteractions on microarrays[J].Biosensors and Bioelectronics,2008,23(6):839～844
24LüQiang,Huang Dexiu,Yuan Xiuhua.Stability research ofwater quality analysis system based on surface plasmon resonance[J].Acta Photonica Sinica,2007,36(7):1268～1272吕强,黄德修,元秀华.基于表面等离子体体共振的水质分析系统稳定性研究[J].光子学报,2007,36(7):1268～1272
25Wan Yan,Liang Dakai,Zeng Jie et al..Prism surface plasmonwave sensor system based on polarizing beam splitter[J].ActaOptica Sinica,2010,30(5):1354～1357万艳,梁大开,曾捷等.基于偏振分光棱镜的表面等离子体波传感系统[J].光学学报,2010,30(5):1354～1357
26Wang Yuandong,Ma Xiaohong,Zhao Huafeng.SPR sensor baseon phase detection by using harmonics analysis[J].J.Optoelectronics.Laser,2009,20(10):1298～1301王远东,马晓红,赵华风.基于谐波分析的相位型表面等离子体共振传感器[J].光电子.激光,2009,20(10):1298～1301
27Guan Chunying,Yuan Libo,Shi Jinhui.Microstructured-fibersurface plasmon resonance sensor[J].Acta Optica Sinica,2011,31(2):0206003关春颖,苑立波,史金辉.微孔光纤表面等离子体共振传感特性分析[J].光学学报,2011,31(2):0206003
28Zheng Long,Zhang Xia,Shi Lei et al..Surface plasmonresonance sensors based on Au-metalized nanolayer inmicrostructured optical fibers[J].Laser&OptoelectronicsProgress,2011,48(1):012401郑龙,张霞,施雷等.基于金纳米层的微结构光纤表面等离子体共振传感器[J].激光与光电子学进展,2011,48(1):012401
29Chen Tao,Guo Jihua.Locus of reflectivity in complexcoordinates during surface plasma resonance[J].J.TsinghuaUniversity,2003,43(2):285～288陈涛,郭继华.光激发表面等离子体波反射系数在复平面的轨迹[J].清华大学学报,2003,43(2):285～288