Excitation Mechanism of Surface Plasmon Polaritons for Surface Plasmon Sensor With 1D Metal Grating Structure for High Refractive Index Medium

Atsushi MOTOGAITO; Yusuke ITO

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Excitation Mechanism of Surface Plasmon Polaritons for Surface Plasmon Sensor With 1D Metal Grating Structure for High Refractive Index Medium

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The excitation mechanism of surface plasmon polaritons(SPPs)in a surface plasmon sensor with a one-dimensional(1D)Au diffraction grating on a glass substrate is studied herein.The sensitivity of the sensor for application to a refractometer is also characterized.The SPPs are excited at the following two types of interface:one between the Au grating and the glass substrate and the other between the Au grating and the medium.The simulation data for the transmittance spectra and the transmittance mapping are consistent With the experimental data even when the refractive index of the solution medium is 1.700.Therefore,the excitation mechanism of the SPPs in a surface plasmon sensor is capable of detecting the medium(n=1.700),in which the sensor is used and clarified.

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《光子传感器：英文版》 |2019年第1期|P.11-18|共8页
作者
Atsushi MOTOGAITO; Yusuke ITO;
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作者单位

[1]Graduate School of Engineering;

Mie University;

Mie 514-8507;

Japan;

[2]Iga Satellite;

Mie University;

Mie 518-0131;

Japan;

[1]Graduate School of Engineering;

Mie University;

Mie 514-8507;

Japan;

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原文格式 PDF
正文语种 CHI
中图分类自动化技术、计算机技术;
关键词
Surface plasmon; diffraction grating; high refractive index; chemical sensor;

机译：表面等离子体;衍射光栅;高折射率;化学传感器;

Excitation Mechanism of Surface Plasmon Polaritons for Surface Plasmon Sensor With 1D Metal Grating Structure for High Refractive Index Medium

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