Theoretical modeling of a Localized Surface Plasmon Resonance (LSPR) based fiber optic temperature sensor

被引：2
|
作者：
Algorri, J. F. [1 ]
Garcia-Camara, B. [1 ]
Garcia-Garcia, A. [2 ]
Urruchi, V. [1 ]
Sanchez-Pena, J. M. [1 ]
机构：
[1] Univ Carlos III Madrid, Dept Elect Technol, Butarque 15, E-28911 Madrid, Spain
[2] Ciudad Sanitaria, ETSI, CEMDATIC, E-28040 Madrid, Spain
来源：
23RD INTERNATIONAL CONFERENCE ON OPTICAL FIBRE SENSORS | 2014年 / 9157卷
关键词：
LSPR; fiber sensor; temperature; nanoparticles; liquid crystal;
D O I：
10.1117/12.2059657
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A localized surface plasmon resonance based fiber optic sensor for temperature sensing has been analyzed theoretically. The effects of the size of the spherical metal nanoparticle on the performance of the sensor have been studied in detail. The high sensitivity of localized surface plasmon resonances to refraction index changes, in collaboration with the high thermo-optic coefficients of Liquid Crystal materials, has result in a fiber optical sensor with high temperature sensitivity. This sensitivity has been demonstrated to be dependent on nanoparticle size. Maximum sensitivities of 4nm/degrees C can be obtained for some specific temperature ranges. The proposed sensor will be low cost, and will have all the typical advantages of fiber optic sensors.
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页数：4
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