Near-infrared high sensitivity solute concentration sensor based on lossy-mode resonance of multimode fiber structures coated with aluminum-doped zinc oxide

2020 ◽  
Author(s):  
Patricia Prieto-Cortés ◽  
Ricardo Iván Álvarez-Tamayo ◽  
Manuel García-Méndez ◽  
Antonio Barcelata-Pinzón
Keyword(s):  
Zinc Oxide ◽  
Near Infrared ◽  
High Sensitivity ◽  
Solute Concentration ◽  
Multimode Fiber ◽  
Aluminum Doped Zinc Oxide

scholarly journals Extreme tunability in aluminum doped Zinc Oxide plasmonic materials for near-infrared applications

2014 ◽  
Vol 4 (1) ◽  
Author(s):  
A. K. Pradhan ◽  
R. M. Mundle ◽  
Kevin Santiago ◽  
J. R. Skuza ◽  
Bo Xiao ◽  
...  
Keyword(s):  
Zinc Oxide ◽  
Near Infrared ◽  
Plasmonic Materials ◽  
Aluminum Doped Zinc Oxide

Aluminum-doped zinc oxide as anode for organic near-infrared photodetectors

2014 ◽  
Vol 47 (33) ◽  
pp. 335104 ◽  
Author(s):  
Xing Wang ◽  
Fang Fang ◽  
Zisheng Su ◽  
Xuan Fang ◽  
Guang Zhang ◽  
...  
Keyword(s):  
Zinc Oxide ◽  
Near Infrared ◽  
Infrared Photodetectors ◽  
Aluminum Doped Zinc Oxide

Aluminum-doped zinc oxide nanoparticles with tunable near-infrared absorption/reflectance by a simple solvothermal process

RSC Advances ◽  
2014 ◽  
Vol 4 (81) ◽  
pp. 42758-42763 ◽  
Author(s):  
Haifeng Zhou ◽  
Hua Wang ◽  
Kang Zheng ◽  
Zhen Gu ◽  
Zhaofeng Wu ◽  
...  
Keyword(s):  
Zinc Oxide ◽  
Infrared Absorption ◽  
Zno Nanoparticles ◽  
Zinc Oxide Nanoparticles ◽  
Near Infrared ◽  
Oxide Nanoparticles ◽  
Solvothermal Process ◽  
Nir Absorption ◽  
Aluminum Doped Zinc Oxide ◽  
Doped Zno

Aluminum-doped ZnO nanoparticles with tunable NIR absorption.

Optical Properties of Nanostructured Aluminum Doped Zinc Oxide (ZnO) Thin Film for Thin Film Transistor (TFT) Application

2013 ◽  
Vol 667 ◽  
pp. 511-515 ◽  
Author(s):  
N.D. Md Sin ◽  
Mohamad Hafiz Mamat ◽  
Mohamad Rusop
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Zinc Oxide ◽  
Optical Properties ◽  
Doping Concentration ◽  
Near Infrared ◽  
Thin Film Transistor ◽  
Zno Thin Film ◽  
Aluminum Doped Zinc Oxide ◽  
Doped Zno

The properties of nanostructured aluminum (Al) doped zinc oxide (ZnO) thin film for thin film transistors (TFT) are presented. This research has been focused on optical and structural properties of Al doped ZnO thin film. The influence of Al doping concentration at 0~5 at.% on the Al doped ZnO thin film properties have been investigated. The thin films were characterized using UV-Vis-NIR spectrophotometer for optical properties. The surface morphology has been characterized using field emission scanning electron microscope (FESEM). The absorption coefficient spectra obtained from UV-Vis-NIR spectrophotometer measurement show all films have low absorbance in visible and near infrared (IR) region but have high UV absorption properties. The calculated Urbach energy indicated the defects concentrations in the thin films increase with doping concentrations The FESEM investigations shows that the nanoparticles size becomes smaller and denser as the doping concentration increase.

High Sensitivity pH Sensors based on Amorphous Indium-gallium-zinc Oxide Thin-film Transistors

2015 ◽  
Vol 135 (6) ◽  
pp. 192-198 ◽  
Author(s):  
Shinnosuke Iwamatsu ◽  
Yutaka Abe ◽  
Toru Yahagi ◽  
Seiya Kobayashi ◽  
Kazushige Takechi ◽  
...  
Keyword(s):  
Thin Film ◽  
Zinc Oxide ◽  
Thin Film Transistors ◽  
High Sensitivity ◽  
Oxide Thin Film ◽  
Indium Gallium Zinc Oxide ◽  
Ph Sensors ◽  
Zinc Oxide Thin Film ◽  
Indium Gallium

scholarly journals Author Correction: High-sensitivity imaging of time-domain near-infrared light transducer

2021 ◽  
Author(s):  
Yuyang Gu ◽  
Zhiyong Guo ◽  
Wei Yuan ◽  
Mengya Kong ◽  
Yulai Liu ◽  
...  
Keyword(s):  
Time Domain ◽  
Near Infrared ◽  
High Sensitivity ◽  
Infrared Light ◽  
Near Infrared Light

scholarly journals High Sensitivity Continuous Monitoring of Chloroform Gas by Using Wavelength Modulation Photoacoustic Spectroscopy in the Near-Infrared Range

2021 ◽  
Vol 11 (15) ◽  
pp. 6992
Author(s):  
Tie Zhang ◽  
Yuxin Xing ◽  
Gaoxuan Wang ◽  
Sailing He
Keyword(s):  
Photoacoustic Spectroscopy ◽  
Continuous Monitoring ◽  
Near Infrared ◽  
Resonant Cavity ◽  
High Sensitivity ◽  
Industrial Applications ◽  
Detection Sensitivity ◽  
Infrared Range ◽  
Wavelength Modulation ◽  
Linear Coefficient

An optical system for gaseous chloroform (CHCl3) detection based on wavelength modulation photoacoustic spectroscopy (WMPAS) is proposed for the first time by using a distributed feedback (DFB) laser with a center wavelength of 1683 nm where chloroform has strong and complex absorption peaks. The WMPAS sensor developed possesses the advantages of having a simple structure, high-sensitivity, and direct measurement. A resonant cavity made of stainless steel with a resonant frequency of 6390 Hz was utilized, and eight microphones were located at the middle of the resonator at uniform intervals to collect the sound signal. All of the devices were integrated into an instrument box for practical applications. The performance of the WMPAS sensor was experimentally demonstrated with the measurement of different concentrations of chloroform from 63 to 625 ppm. A linear coefficient R2 of 0.999 and a detection sensitivity of 0.28 ppm with a time period of 20 s were achieved at room temperature (around 20 °C) and atmosphere pressure. Long-time continuous monitoring for a fixed concentration of chloroform gas was carried out to demonstrate the excellent stability of the system. The performance of the system shows great practical value for the detection of chloroform gas in industrial applications.

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