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题名:
Melamine sensing based on evanescent field enhanced optical fiber sensor
作者: Luo, Ji1,2; Yao, Jun1; Wang, Wei-Min1,2; Zhuang, Xu-Ye3; Ma, Wen-Ying4; Lin, Qiao5
出版日期: 2013
会议名称: Proceedings of SPIE: International Symposium on Photoelectronic Detection and Imaging 2013: Fiber Optic Sensors and Optical Coherence Tomography
会议日期: 2013
学科分类: Composite structures - Evanescent fields - Finite difference time domain method - Nanoparticles - Optical tomography
DOI: 10.1117/12.2034676
通讯作者: Yao, J. (junyao@ioe.ac.cn)
中文摘要: Melamine is an insalubrious chemical, and has been frequently added into milk products illegally, to make the products more protein-rich. However, it can cause some various diseases, such as kidney stones and bladder cancer. In this paper, a novel optical fiber sensor with high sensitivity based on absorption of the evanescent field for melamine detection is successfully proposed and developed. Different concentrations of melamine changing from 0 to 10mg/mL have been detected using the micro/nano-sensing fiber decorated with silver nanoparticles cluster layer. As the concentration increases, the sensing fiber's output intensity gradually deceases and the absorption of the analyte becomes large. The concentration changing of 1mg/ml can cause the absorbance varying 0.664 and the limit of the melamine detectable concentration is 1ug/mL. Besides, the coupling properties between silver nanoparticles have also been analyzed by the FDTD method. Overall, this evanescent field enhanced optical fiber sensor has potential to be used in oligo-analyte detection and will promote the development of biomolecular and chemical sensing applications. © 2013 SPIE.
英文摘要: Melamine is an insalubrious chemical, and has been frequently added into milk products illegally, to make the products more protein-rich. However, it can cause some various diseases, such as kidney stones and bladder cancer. In this paper, a novel optical fiber sensor with high sensitivity based on absorption of the evanescent field for melamine detection is successfully proposed and developed. Different concentrations of melamine changing from 0 to 10mg/mL have been detected using the micro/nano-sensing fiber decorated with silver nanoparticles cluster layer. As the concentration increases, the sensing fiber's output intensity gradually deceases and the absorption of the analyte becomes large. The concentration changing of 1mg/ml can cause the absorbance varying 0.664 and the limit of the melamine detectable concentration is 1ug/mL. Besides, the coupling properties between silver nanoparticles have also been analyzed by the FDTD method. Overall, this evanescent field enhanced optical fiber sensor has potential to be used in oligo-analyte detection and will promote the development of biomolecular and chemical sensing applications. © 2013 SPIE.
收录类别: Ei
语种: 英语
卷号: 8914
ISSN号: 0277786X
文章类型: 会议论文
页码: 891412
Citation statistics:
内容类型: 会议论文
URI标识: http://ir.ioe.ac.cn/handle/181551/7893
Appears in Collections:微细加工光学技术国家重点实验室(开放室)_会议论文

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作者单位: 1. State Key Laboratory of Optical Technologies on Nano-fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China
2. University of Chinese Academy of Sciences, Beijing, 100039, China
3. East China Institute of Photo-Electron ICs, Bengbu, 233042, China
4. Department of Communication Engineering, Chengdu University of Information Technology, Chengdu 610225, China
5. Department of Mechanical Engineering, Columbia University, New York, NY 10027, United States

Recommended Citation:
Luo, Ji,Yao, Jun,Wang, Wei-Min,et al. Melamine sensing based on evanescent field enhanced optical fiber sensor[C]. 见:Proceedings of SPIE: International Symposium on Photoelectronic Detection and Imaging 2013: Fiber Optic Sensors and Optical Coherence Tomography. 2013.
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