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题名:
Analysis of sensing performance of Gaussian-shaped metallic nanogratings
作者: Li, Haiying; Luo, Xiangang; Du, Chunlei; Chen, Xunan
刊名: JOURNAL OF NANOPHOTONICS
出版日期: 2008
卷号: 2
关键词: biosensor ; Gaussian profile ; nanogratings ; immunoassay
文章类型: Article
英文摘要: A new type of structure which is composed of a Gaussian profile-shaped metallic nanograting, was put forth from the nanofabrication point of view. Dependence of the structural parameters on the sensitivity was analyzed by means of a multiple multipole program (MMP) method. One of the important applications of the nanograting is in biosensing: immunoassay. Our numerical simulation results showed that the sensitivity to refractive index of 490 nm/RIU and the reflection spectra at site of full-width at halfmaximum (FWHM) similar to 9 nm can be obtained through the optimized structure. The figure of merit (FOM) of the sensor can exceed 55. The resonant wavelength increases linearly with increasing of the refractive index of bio-samples. These reflection properties make the nanograting more suitable to be used in the localized surface plasma resonance (LSPR)-based biosensors for immunoassay.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Nanoscience & Nanotechnology ; Optics
研究领域[WOS]: Science & Technology - Other Topics ; Optics
关键词[WOS]: SURFACE-PLASMON RESONANCE ; FOCUSED-ION-BEAM ; SILVER NANOPARTICLES ; GOLD ; SENSORS ; FILMS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000262931600043
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3631
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu 610209, Sichuan Prov, Peoples R China

Recommended Citation:
Li, Haiying,Luo, Xiangang,Du, Chunlei,et al. Analysis of sensing performance of Gaussian-shaped metallic nanogratings[J]. JOURNAL OF NANOPHOTONICS,2008,2.
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