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提出了一种契形端面结构的光纤表面等离子体共振(SPR)传感器激励模型. 采用时域有限差分法对契形SPR波导的共振模型进行数值模拟, 通过在光纤出射端抛磨契形角度并进行敏感膜修饰, 制出具有契形端面结构的类Kretschmann微棱镜式光纤SPR传感器, 实现激发SPR的光波调制.结果表明, 在1.3330–1.4215折射率范围内, 制备的契形光纤SPR传感器相对于常规光纤SPR传感器, 其平均灵敏度提高了近1–6倍, 1倍和6倍分别出现在小角度结构(15° 契形) 传感器和大角度结构(60°契形) 传感器, 且仍保持 10-5 等级的分辨率. 该类型结构的传感器具有契形端面激励模式, 设计灵活性高、制备工艺简单、可微量检测样本等优点, 能够很好地适应于不同环境和测量条件的实际生化检测、环境监测需求.
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[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 物理学报 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 物理学报 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 物理学报 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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