Narrow bandwidth metamaterial sensor based on periodic grating structure for temperature sensing

2020 ◽  
Author(s):  
Gang Zhao ◽  
Pingwei Zhou ◽  
Zeren Li ◽  
Lianghui Du ◽  
Liguo Zhu
Keyword(s):  
Temperature Sensing ◽  
Grating Structure ◽  
Periodic Grating ◽  
Narrow Bandwidth

Detection of surface plasmons based on periodic grating structure

2020 ◽  
Vol 28 (3) ◽  
pp. 526-534
Author(s):  
计吉焘 JI Ji-tao ◽  
翟雨生 ZHAI Yu-sheng ◽  
吴志鹏 WU Zhi-peng ◽  
马祥宇 MA Xiang-yu ◽  
穆慧惠 MU Hui-hui ◽  
...  
Keyword(s):  
Surface Plasmons ◽  
Grating Structure ◽  
Periodic Grating

Potential of Mechanically Induced Cascaded Long-Period Grating Structure for Reflectometric Pressure, Strain, and Temperature Sensing

2020 ◽  
Vol 20 (18) ◽  
pp. 10539-10546
Author(s):  
Avik Kumar Das ◽  
Heeyoung Lee ◽  
Kohei Noda ◽  
Yosuke Mizuno ◽  
Christopher Kin Ying Leung ◽  
...  
Keyword(s):  
Temperature Sensing ◽  
Long Period Grating ◽  
Grating Structure ◽  
Long Period

Widening Absorption Band of Grating Structure With Complex Dual-Groove Grating

2013 ◽  
Vol 135 (3) ◽  
Author(s):  
Y. Jiao ◽  
L. H. Liu ◽  
P.-F. Hsu
Keyword(s):  
Far Infrared ◽  
Radiative Properties ◽  
Effective Bandwidth ◽  
Grating Structure ◽  
Rigorous Coupled Wave Analysis ◽  
Periodic Grating ◽  
Rigorous Coupled Wave ◽  
Rectangular Groove ◽  
Far Infrared Spectra ◽  
High Absorption

The wavelength-selective radiative property is becoming a noticeable requirement in various technological fields. There are many researches that have been focused on the radiative properties of metal periodic microstructure surface. However, the spectral bandwidth of high absorptance is often too narrow if excited by the conventional grating structures. In order to solve this problem, two novel periodic grating structures are proposed in this paper, which can increase the effective bandwidth of high absorption peaks. One of the new periodic grating structures, called dual-groove grating, is constructed by adding a rectangular groove at the bottom of the simple grating's groove through a secondary microscale processing. The other grating structure, which is called complex dual-groove grating, is constructed by superposing a dual-groove grating with a simple grating within one period. Aluminum grating structure is taken as an example to show the advantage of proposed structures on increasing effective bandwidth of high absorption peaks within mid-infrared and far-infrared spectra. The rigorous coupled-wave analysis (RCWA) is used to calculate the absorptance of periodic grating structures. The results shows that, two close absorption peaks and three connecting absorption peaks are obtained respectively for the two periodic grating structures. The effective bandwidth of high absorption peaks within interested wavelength band is improved obviously by these two microscale grating structures.

Widening Absorption Band of Grating Structure With Complex Dual-Groove Grating

2011 ◽  
Author(s):  
Y. Jiao ◽  
L. H. Liu ◽  
P.-f. Hsu
Keyword(s):  
Far Infrared ◽  
Radiative Properties ◽  
Spectral Bandwidth ◽  
Grating Structure ◽  
Microstructured Surface ◽  
Rigorous Coupled Wave Analysis ◽  
Periodic Grating ◽  
Novel Structure ◽  
Rigorous Coupled Wave ◽  
Rectangular Groove

The wavelength-selective radiative properties are becoming noticeable requirements in various technological fields. There have been many researches focus on the radiative properties of periodic microstructured surface of metals. However, the spectral bandwidth of high absorptance is often too narrow by applying the conventional grating structures. In order to solve this problem, in this paper we propose two novel periodic grating structures, which can widen the spectral bandwidth of high absorptance. One of the new periodic grating structures, called dual-groove grating, is constructed by adding a rectangular groove at the bottom of the simple binary grating’s groove through a secondary microscale processing. The other novel grating structure, which is called complex dual-groove grating, is constructed by superposing a dual-groove grating and a simple binary grating within one period. Aluminum grating structure is taken as an example to show how the geometric parameters based on the novel structure widen the spectral bandwidth of high absorptance within mid-infrared and far-infrared spectra. The rigorous coupled-wave analysis (RCWA) is used to calculate the absorptance of periodic grating structures. The results show that, two close absorption peaks and three connecting absorption peaks are obtained respectively for the two novel periodic grating structures. These two novel structures may widen the effective spectral bandwidth of high absorptance of the microscale periodic grating structures.

Study of scattering from a periodic grating structure using Lorentz–Drude model and Chandezon method

Optik ◽  
2017 ◽  
Vol 133 ◽  
pp. 9-16 ◽  
Author(s):  
Ghulam Murtaza ◽  
Aqeel A. Syed ◽  
Qaisar A. Naqvi
Keyword(s):  
Drude Model ◽  
Grating Structure ◽  
Periodic Grating

A New Scanning Thermal Microprobe

1997 ◽  
Vol 503 ◽  
Author(s):  
Yongxia Zhang ◽  
Yanwei Zhang ◽  
Juliana Blaser ◽  
T. S. Sriiram ◽  
R. B. Marcus
Keyword(s):  
Thin Film ◽  
High Resolution ◽  
Thermal Response ◽  
Temperature Sensing ◽  
Thermal Sensor ◽  
Atomic Force ◽  
Thin Film Thermocouple ◽  
Processing Steps ◽  
Thermocouple Junction

ABSTRACTA thermal microprobe has been designed and built for high resolution temperature sensing. The thermal sensor is a thin-film thermocouple junction at the tip of an Atomic Force Microprobe (AFM) silicon probe needle. Only wafer-stage processing steps are used for the fabrication. The thermal response over the range 25–s 4.5–rovolts per degree C and is linear.

Evolution of the electronic structure of metallic multilayers from two to threedimensionality. A Full Potential Linearized Augmented Plane Wave calculation.

2002 ◽  
Vol 727 ◽  
Author(s):  
A. M. Mazzone
Keyword(s):  
Plane Wave ◽  
Density Of States ◽  
Noble Metals ◽  
Full Potential ◽  
Metallic Multilayers ◽  
Augmented Plane Wave ◽  
Narrow Bandwidth ◽  
Epitaxial Multilayers ◽  
Linearized Augmented Plane Wave ◽  
Wave Calculation

AbstractFull Potential Linearized Augmented Plane Wave calculations have been performed for epitaxial multilayers formed by the noble metals Ag and Cu with a thickness n up to 10 layers. The multilayers have a fcc lattice and are pure or compositionally modulated with a structure of the type Agn Cun or (AgCu)n. For n in the range 2,3 the density of states, evaluated at paramagnetic level, exhibits a sharp reduction of the bandwidth which is consistent with the reduced coordination of these structures. For n ≤ 5 the density of states in the central layers converges to the bulk value while the outer layers retain the narrow bandwidth found at n=2. Due to the absence of charge intermixing and hybridization, these features are shared by multilayers of all composition.

Sign in / Sign up

Export Citation Format

Share Document