Biosensing using long-range surface plasmon structures

被引：2
|
作者：
Martinez-Arias, Carlos G. [1 ]
Escobar, Marco A. [2 ]
Guzman-Sepulveda, J. R. [3 ]
Torres-Cisneros, Miguel [1 ]
Guzman-Cabrera, Rafael [1 ]
机构：
[1] Univ Guanajuato, Km 3-5 1-8 Rd Salamanca Valle Santiago, Guanajuato 36730, Mexico
[2] Univ Salle Bajio, Av Univ 602, Guanajuato 36700, Mexico
[3] Univ Cent Florida, CREOL, Coll Opt & Photon, 4304 Scorpius St, Orlando, FL 32816 USA
来源：
BIOSENSING AND NANOMEDICINE XI | 2018年 / 10728卷
关键词：
LRSPP; single-interface SPP; effective index; normalized attenuation; propagation length;
D O I：
10.1117/12.2320281
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We report a parametric study of a long-range plasmon waveguide for the modal profiles, effective index and propagation losses as a function of the metal layer thickness and the variations in the refraction index of the upper cladding. Such device can be used as an optical biosensor. All calculations are performed using COMSOL Multiphysics, and the amplitude-and phase-responses of the device are obtained from the changes in the real and imaginary part of the effective index of the plasmon mode, respectively.
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页数：6
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