[HTML][HTML] Infrared broadband metasurface absorber for reducing the thermal mass of a microbolometer

JY Jung, K Song, JH Choi, J Lee, DG Choi… - Scientific Reports, 2017 - nature.com
We demonstrate an infrared broadband metasurface absorber that is suitable for increasing
the response speed of a microbolometer by reducing its thermal mass. A large fraction of …

Ternary FePSe3 Atomic Layers with Competitive Temperature Coefficient of Resistance for Uncooled Infrared Bolometers

A Li, Y Ge, Y Gan, YL Ren, Y He… - Advanced Materials …, 2021 - Wiley Online Library
The semiconducting metal phosphorus trichalcogenides (MPX3, X= S, Se), a new family of
layered atomic materials similar to the transition‐metal dichalcogenides, have recently …

Ab initio study of electron mobility in V2O5 via polaron hopping

R Defrance, B Sklénard, M Guillaumont, J Li… - Solid-State …, 2022 - Elsevier
We investigate the polaron transport in V 2 O 5 using Density Functional Theory (DFT)+ U.
The Bond Distortion Method (BDM) is utilized to help stabilize an excess electron as a self …

Fabrication and design of vanadium oxide microbolometer

M Abdel-Rahman, N Al-Khalli, MF Zia… - AIP Conference …, 2017 - pubs.aip.org
Vanadium oxide (VxOy) multilayer sandwich structures previously studied by our group were
found to yield a sensitive thermometer thin film material suitable for microbolometer …

Nb5N6 microbolometer for sensitive, fast-response, 2-µm detection

X Tu, P Xiao, L Kang, C Jiang, X Guo, Z Jiang, R Su… - Optics …, 2018 - opg.optica.org
Room-temperature thermal detection at a wavelength of 2 µm in the short-wave infrared
range (1.7–3 µm) was demonstrated for the first time using a Nb_5N_6 microbolometer. The …

Effect of beam length on the uncooled microbolometer performance

A Minhas, D Bansal - Microsystem Technologies, 2021 - Springer
Uncooled microbolometers are widely used for Infrared imaging including night vision
camera for security and surveillance, weapon detection in military application and monitor …

TiNb thin films as absorbers for LWIR microbolometers

M Abdel-Rahman, M Hezam, AA Odebowale, N Alkhalli… - Optical Materials, 2021 - Elsevier
Uncooled microbolometers use ultra-thin metal or dielectric layer to absorb the incoming
longwave infrared (LWIR) radiation. This is due to the fact that thermometer layers in …

[HTML][HTML] Dual-level capacitive micromachined uncooled thermal detector

HH Tawfik, K Allidina, F Nabki, MN El-Gamal - Sensors, 2019 - mdpi.com
This paper presents a novel dual-level capacitive microcantilever-based thermal detector
that is implemented in the commercial surface micromachined PolyMUMPs technology. The …

Ultra-Thin Film Metallic Absorbers for Amophous Silicon Microbolometers: A Comparative Study

M Abdel-Rahman, A Odebowale… - 2021 International …, 2021 - ieeexplore.ieee.org
Uncooled microbolometers use an ultra-thin metal layer to absorb the incoming longwave
infrared (LWIR) radiation. In this paper, ultra-thin films of Nb, NiCr, Ti, and Zr are considered …

Nano‐plasmonic chirped metal‐stripes polarimeter for dual‐band infrared detection

E Awad, M Abdel‐Rahman - Electronics Letters, 2017 - Wiley Online Library
A novel chirped metal structure (CMS) is developed for polarimetric enhanced detection of
both mid‐wave (MW)(3–5 µm) and long‐wave (LW) infrared (IR) wavelength bands (8–14 …