A nanometeric temperature sensor based on plasmonic waveguide with an ethanol-sealed rectangular cavity

被引：73

作者：

Wu, Tiesheng ^{[1
]}

Liu, Yumin ^{[1
,2
]}

Yu, Zhongyuan ^{[1
]}

Ye, Han ^{[1
]}

Peng, Yiwei ^{[1
]}

Shu, Changgan ^{[1
]}

Yang, Chuanghua ^{[1
]}

Zhang, Wen ^{[1
]}

He, Huifang ^{[1
]}

机构：

[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China

[2] Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2015年 / 339卷

基金：

中国国家自然科学基金;

关键词：

Surface plasmons; Optical sensing and sensors; Temperature; Optical resonators; SENSING CHARACTERISTICS; RESONANCE; INTERFEROMETER; FILTER;

D O I：

10.1016/j.optcom.2014.11.064

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A surface plasmon polaritons (SPPs) temperature sensor which consists of two metal-insulator-metal (MIM) waveguides coupled to each other by an ethanol-sealed rectangular cavity is proposed. The transmission characteristics of the nanodevice are theoretically analyzed and numerically simulated by two-dimension finite difference time domain (FDTD) method. The temperature sensing characteristics of the SPPs waveguide sensor are systematically analyzed by investigating the transmission spectra. The results indicate that the position of the transmission peak wavelengths has a linear relationship with the ambient temperature. The temperature sensitivity increases with the increase of the cavity length and decrease of the cavity height. The temperature sensitivity of the nanometeric sensor can reach as high as -0.65 nm/degrees C. It could be utilized to develop ultracompact temperature sensor for high integration. (C)2014 Elsevier B.V. All rights reserved.

引用

页码：1 / 6

页数：6

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