基于银纳米颗粒的HCPCFSERS传感系统优化设计

邸志刚; 贾春荣; 姚建铨; 陆颖

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基于银纳米颗粒的HCPCFSERS传感系统优化设计

邸志刚, 贾春荣, 姚建铨, 陆颖

文章导航 > 红外与激光工程 > 2015 > 44(4): 1317-1322

邸志刚, 贾春荣, 姚建铨, 陆颖. 基于银纳米颗粒的HCPCFSERS传感系统优化设计[J]. 红外与激光工程, 2015, 44(4): 1317-1322.

引用本文:

邸志刚, 贾春荣, 姚建铨, 陆颖. 基于银纳米颗粒的HCPCFSERS传感系统优化设计[J]. 红外与激光工程, 2015, 44(4): 1317-1322.

Di Zhigang, Jia Chunrong, Yao Jianquan, Lu Ying. Optimization on HCPCF SERS sensor based on silver nanoparticles[J]. Infrared and Laser Engineering, 2015, 44(4): 1317-1322.

Citation:

Di Zhigang, Jia Chunrong, Yao Jianquan, Lu Ying. Optimization on HCPCF SERS sensor based on silver nanoparticles[J]. Infrared and Laser Engineering, 2015, 44(4): 1317-1322.

基于银纳米颗粒的HCPCFSERS传感系统优化设计

邸志刚^1,2,
贾春荣¹,
姚建铨^2, ,,
陆颖²

1.
华北理工大学电气工程学院,河北唐山 063009;
2.
天津大学精密仪器与光电子工程学院激光与光电子研究所光电信息技术科学教育部重点实验室,天津 300072

基金项目:

国家“973”计划(2010CB327801);河北省高等学校科学技术研究项目(ZD2013102);河北省科技计划(12212172); 河北联合大学博士启动基金

详细信息

作者简介:
邸志刚(1975-),男,讲师,博士,主要从事光子晶体光纤传感方面的研究.Email:dzg0512@126.com

通讯作者: 姚建铨(1939-),男,中国科学院院士,教授,主要从事光电子技术、物理电子学、非线性光学等方面的研究.Email:jqyao@tju.edu.cn

中图分类号: TN253

Optimization on HCPCF SERS sensor based on silver nanoparticles

1.
College of Electrical Engineering,North China University of Science and Technology,Tangshan 063009,China;
2.
Key Lab. of Opto-electronics Information Science and Technology,Ministry of Education,Institute of Laser and Opto-electronics,College of Precision Instrument and Optoelectronics Engineering,Tianjin University,Tianjin 300072,China

摘要: 银纳米颗粒与光子晶体光纤、表面增强拉曼散射效应结合而成的PCF SERS传感器得到了科研界的广泛关注.而PCF结构、SERS基底的性能是传感器的重要影响因素.为了进一步提高SERS PCF传感器的性能,通过研究对比PCF和SERS基底结构参数对传感性能的影响,设计出适用于PCF SERS传感的空芯PCF以及SERS基底的结构参数.通过数值计算,设计的空芯PCF空气填充率为56.30%,当激发光波长785 nm时存在光子带隙,并能够实现单模传输.而半径为38 nm的银纳米球在间距为0.7 nm时能够产生最大的SERS增强因子.研究证明,设计的空芯PCF在785 nm输入波长下既能够基模传输激发光,又能够为SERS提供理想的活性面积,而且银纳米颗粒的形状、尺寸、间距对SERS性能影响严重,而且与入射波长有很强的依赖关系.
- 空芯光子晶体光纤 /
- 表面增强拉曼散射 /
- 光子带隙 /
- 银纳米颗粒 /
- 数值计算
Abstract: Silver nanoparticles, combine with PCF and surface enhanced Raman scattering(SERS), form SERS PCF sensor, and has been applied widely. But in practical, the PCF structure and the performance of SERS substrate have fatal influence on sensor. To exert sensor's practical applications fully, the influence of HCPCF(hollow core PCF) and silver nanoparticles substrate structure on sensor were researched and analyzed, then the novel HCPCF and silver nano-substrate were designed to suit for SERS PCF sensor. Through numerical calculation, the air filling fraction of designed HCPCF is 56.30%. When incident wavelength is 785 nm, there is the photonic bandgap in HCPCF, and HCPCF can transmit fundamental mode, so it suits SERS sensor very well. And silver nanosphere whose radius is 38 nm, and separation distance is 0.7 nm has maximum SERS enhancement factor. The results show that when incident wavelength is 785 nm, the designed HCPCF can supply perfect active area, and the shape, size and separation distance of silver nanoparticles have serious influence on SERS performance, moreover SERS performance rely on incident wavelength seriously.
- HCPCF /
- SERS /
- photonic bandgap /
- silver nanoparticle /
- numerical calculation

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基于银纳米颗粒的HCPCFSERS传感系统优化设计

1. 华北理工大学电气工程学院,河北唐山 063009;

2. 天津大学精密仪器与光电子工程学院激光与光电子研究所光电信息技术科学教育部重点实验室,天津 300072

作者简介:
邸志刚(1975-),男,讲师,博士,主要从事光子晶体光纤传感方面的研究.Email:dzg0512@126.com

通讯作者: 姚建铨(1939-),男,中国科学院院士,教授,主要从事光电子技术、物理电子学、非线性光学等方面的研究.Email:jqyao@tju.edu.cn

收稿日期: 2014-08-25
修回日期: 2014-09-23
刊出日期: 2015-04-25

基金项目:

国家“973”计划(2010CB327801);河北省高等学校科学技术研究项目(ZD2013102);河北省科技计划(12212172); 河北联合大学博士启动基金

中图分类号: TN253

关键词:

摘要: 银纳米颗粒与光子晶体光纤、表面增强拉曼散射效应结合而成的PCF SERS传感器得到了科研界的广泛关注.而PCF结构、SERS基底的性能是传感器的重要影响因素.为了进一步提高SERS PCF传感器的性能,通过研究对比PCF和SERS基底结构参数对传感性能的影响,设计出适用于PCF SERS传感的空芯PCF以及SERS基底的结构参数.通过数值计算,设计的空芯PCF空气填充率为56.30%,当激发光波长785 nm时存在光子带隙,并能够实现单模传输.而半径为38 nm的银纳米球在间距为0.7 nm时能够产生最大的SERS增强因子.研究证明,设计的空芯PCF在785 nm输入波长下既能够基模传输激发光,又能够为SERS提供理想的活性面积,而且银纳米颗粒的形状、尺寸、间距对SERS性能影响严重,而且与入射波长有很强的依赖关系.

English Abstract

Optimization on HCPCF SERS sensor based on silver nanoparticles

1. College of Electrical Engineering,North China University of Science and Technology,Tangshan 063009,China;

2. Key Lab. of Opto-electronics Information Science and Technology,Ministry of Education,Institute of Laser and Opto-electronics,College of Precision Instrument and Optoelectronics Engineering,Tianjin University,Tianjin 300072,China

Received Date: 2014-08-25
Rev Recd Date: 2014-09-23
Publish Date: 2015-04-25

Keywords:

Abstract: Silver nanoparticles, combine with PCF and surface enhanced Raman scattering(SERS), form SERS PCF sensor, and has been applied widely. But in practical, the PCF structure and the performance of SERS substrate have fatal influence on sensor. To exert sensor's practical applications fully, the influence of HCPCF(hollow core PCF) and silver nanoparticles substrate structure on sensor were researched and analyzed, then the novel HCPCF and silver nano-substrate were designed to suit for SERS PCF sensor. Through numerical calculation, the air filling fraction of designed HCPCF is 56.30%. When incident wavelength is 785 nm, there is the photonic bandgap in HCPCF, and HCPCF can transmit fundamental mode, so it suits SERS sensor very well. And silver nanosphere whose radius is 38 nm, and separation distance is 0.7 nm has maximum SERS enhancement factor. The results show that when incident wavelength is 785 nm, the designed HCPCF can supply perfect active area, and the shape, size and separation distance of silver nanoparticles have serious influence on SERS performance, moreover SERS performance rely on incident wavelength seriously.