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A fiber-optic surface plasmon resonance sensor (SPR) based on tapered structure probe is studied. The incentive mode of tapered probe calculated by finite-difference time-domain method serves as design references, and the tapered structure of sensor probe fabricated by polishing and grinding at the end of a fiber is similar to Kretschmann prism SPR model, which can realize the modulation of SPR wave. The results show that in the refractive index detection range from 1.3330 to 1.4215, tapered structure FO-SPR sensor has a sensitivity of 1-6 times higher than common FO-SPR sensor and it still keeps a limiting resolution level of 10-5 RIU. The designed tapered structure SPR sensor, which has the advantages of tapered incentive mode, design flexibility, user practical applicability, simple preparation process, a relatively small sample need, and high stability, will fulfill different environment and measuring conditions of biochemical testing and environment monitoring.
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Keywords:
- fiber-optic sensor /
- surface plasmon resonance /
- tapered structural model /
- sensitivity of refractive index
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[2] Zhao H J 2012 Chin. Phys. B 21 087104
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[5] Yang G J, Kong F M, Li K, Mei L M 2007 Acta Phys. Sin. 56 4252 (in Chinese) [杨光杰, 孔凡敏, 李康, 梅良模 2007 56 4252]
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[9] Cahill C P, Johnston K S, Yee S S 1997 Sens. Actuators B 45 161
[10] Piliarik M, Homola J, Maníková Z, Čtyroký J 2003 Sens. Actuators B 90 236
[11] Wang S F, Chiu M H, Chang R S 2006 Sens. Actuators B 114 120
[12] Kim Y C, Masson J F, Booksh K S 2005 Talanta 67 908
[13] Sun X M, Zeng J, Zhang Q Y, Mu H, Zhou Y B 2013 Acta Opt. Sin. 33 128 (in Chinese) [孙晓明, 曾捷, 张倩昀, 穆昊, 周雅斌 2013 光学学报 33 128]
[14] Mishra S K, Kumari D, Gupta B D 2012 Sens. Actuators B 171 976
[15] Feng L H, Zeng J, Liang D K, Liu H Y 2012 Spectrosc. Spect. Anal. 32 2929 (in Chinese) [冯李航, 曾捷, 梁大开, 刘宏月 2012 光谱学与光谱分析 32 2929]
[16] Sha W, Huang Z X, Wu X L, Chen M S 2006 Chin. Phys. Lett. 23 103
[17] http: //www.optiwave.com/products/fdtd_overview.html[2012.12.28]
[18] Shams R, Sadeghi P 2011 J. Parallel. Distr. Com. 71 584
[19] Anatoly V Z, Igor I S, Alexei A M 2005 Phys. Reports 408 131
[20] Maier S A 2007 Plasmonics: Fundamentals and Applications (Berline: Springer)
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[1] Gupta B D, Sharma A K 2005 Sens. Actuators B 107 40
[2] Zhao H J 2012 Chin. Phys. B 21 087104
[3] Wang G P, Zhang J, Long Y B 2009 Acta Phys. Sin. 58 7722 (in Chinese) [汪国平, 张剑, 龙拥兵 2009 58 7722]
[4] Jia Z X, Duan X, Lü T T, Guo Y N, Xue W R 2011 Acta Phys. Sin. 60 057301 (in Chinese) [贾智鑫, 段欣, 吕婷婷, 郭亚楠, 薛文瑞 2011 60 057301]
[5] Yang G J, Kong F M, Li K, Mei L M 2007 Acta Phys. Sin. 56 4252 (in Chinese) [杨光杰, 孔凡敏, 李康, 梅良模 2007 56 4252]
[6] Homola J 2008 Chem. Rev. 108 462
[7] Obando L A, Booksh K S 1999 Anal. Chem. 71 5116
[8] Obando L A, Gentleman D J, Holloway J R, Booksh K S 2004 Sens. Actuators B 100 439
[9] Cahill C P, Johnston K S, Yee S S 1997 Sens. Actuators B 45 161
[10] Piliarik M, Homola J, Maníková Z, Čtyroký J 2003 Sens. Actuators B 90 236
[11] Wang S F, Chiu M H, Chang R S 2006 Sens. Actuators B 114 120
[12] Kim Y C, Masson J F, Booksh K S 2005 Talanta 67 908
[13] Sun X M, Zeng J, Zhang Q Y, Mu H, Zhou Y B 2013 Acta Opt. Sin. 33 128 (in Chinese) [孙晓明, 曾捷, 张倩昀, 穆昊, 周雅斌 2013 光学学报 33 128]
[14] Mishra S K, Kumari D, Gupta B D 2012 Sens. Actuators B 171 976
[15] Feng L H, Zeng J, Liang D K, Liu H Y 2012 Spectrosc. Spect. Anal. 32 2929 (in Chinese) [冯李航, 曾捷, 梁大开, 刘宏月 2012 光谱学与光谱分析 32 2929]
[16] Sha W, Huang Z X, Wu X L, Chen M S 2006 Chin. Phys. Lett. 23 103
[17] http: //www.optiwave.com/products/fdtd_overview.html[2012.12.28]
[18] Shams R, Sadeghi P 2011 J. Parallel. Distr. Com. 71 584
[19] Anatoly V Z, Igor I S, Alexei A M 2005 Phys. Reports 408 131
[20] Maier S A 2007 Plasmonics: Fundamentals and Applications (Berline: Springer)
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