Highly Sensitive and Cost‐Effective Polymeric‐Sulfur‐Based Mid‐Wavelength Infrared Linear Polarizers with Tailored Fabry–Pérot Resonance
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202209377
Abstract: Inverse‐vulcanized polymeric sulfur has received considerable attention for application in waste‐based infrared (IR) polarizers with high polarization sensitivities, owing to its high transmittance in the IR region and thermal processability. However, there have been few… read more here.
Keywords: mid wavelength; wavelength infrared; polymeric sulfur; highly sensitive ... See more keywords
Short-wavelength infrared reflectance spectroscopy of minerals by supercontinuum illumination and speckle reduction
Sign Up to like & getrecommendations! Published in 2020 at "Minerals Engineering"
DOI: 10.1016/j.mineng.2020.106528
Abstract: Abstract The advent of broadband supercontinuum (SC) light sources offers an opportunity to improve techniques such as reflectance spectroscopy. In this study, a SC laser, providing a broad spectral bandwidth and higher-intensity light than traditional… read more here.
Keywords: reflectance spectroscopy; wavelength infrared; illumination; short wavelength ... See more keywords
Electrical and optical performances with extracted minority carrier lifetimes of InAs/GaSb SL photodetector operating in the mid wavelength infrared range
Sign Up to like & getrecommendations! Published in 2017 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2017.08.022
Abstract: Abstract We report a study on the temperature dependence of electrical and optical performance of InAs/GaSb based type-II superlattice (T2SL) pin photodetectors in the mid wavelength infrared range (MWIR). The SL structure exhibits an optical… read more here.
Keywords: infrared range; wavelength infrared; inas gasb; electrical optical ... See more keywords
Extended Short-Wavelength Infrared Photoluminescence and Photocurrent of Nonstoichiometric Silver Telluride Colloidal Nanocrystals.
Sign Up to like & getrecommendations! Published in 2021 at "Nano letters"
DOI: 10.1021/acs.nanolett.1c02407
Abstract: Demands on nontoxic nanomaterials in the short-wavelength infrared (SWIR) have rapidly grown over the past decade. Here, we present the nonstoichiometric silver chalcogenide nanocrystals of AgxTe (x > 2) and Ag2Te/Ag2S CQDs with a tunable… read more here.
Keywords: extended short; short wavelength; wavelength infrared; nonstoichiometric silver ... See more keywords
Ultrafast Silicon Nanomembrane Microbolometer for Long-Wavelength Infrared Light Detection.
Sign Up to like & getrecommendations! Published in 2021 at "Nano letters"
DOI: 10.1021/acs.nanolett.1c02972
Abstract: The microbolometer is the cornerstone device for imaging in the long-wavelength infrared range (LWIR) at room temperature. The state-of-the-art commercial microbolometers usually have a large thermal time constant (TTC) of over 10 ms, limited by… read more here.
Keywords: long wavelength; microbolometer; silicon nanomembrane; wavelength infrared ... See more keywords
Uncooled Photodetector at Short-Wavelength Infrared Using InAs Nanowire Photoabsorbers on InP with p- n Heterojunctions.
Sign Up to like & getrecommendations! Published in 2018 at "Nano letters"
DOI: 10.1021/acs.nanolett.8b03775
Abstract: In this work, we demonstrate an InAs nanowire photodetector at short-wavelength infrared (SWIR) composed of vertically oriented selective-area InAs nanowire photoabsorber arrays on InP substrates, forming InAs-InP heterojunctions. We measure a rectification ratio greater than… read more here.
Keywords: wavelength infrared; photodetector short; dark current; short wavelength ... See more keywords
Palladium Diselenide Long-Wavelength Infrared Photodetector with High Sensitivity and Stability.
Sign Up to like & getrecommendations! Published in 2019 at "ACS nano"
DOI: 10.1021/acsnano.8b09476
Abstract: A long-wavelength infrared photodetector based on two-dimensional materials working at room temperature would have wide applications in many aspects in remote sensing, thermal imaging, biomedical optics, and medical imaging. However, sub-bandgap light detection in graphene… read more here.
Keywords: long wavelength; wavelength infrared; diselenide long; infrared photodetector ... See more keywords
Planar nBn type-II superlattice mid-wavelength infrared photodetectors using zinc ion-implantation
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/5.0010273
Abstract: In this Letter, we report the demonstration of zinc ion-implantation to realize planar mid-wavelength infrared photodetectors based on type-II InAs/InAs1−xSbx superlattices. At 77 K, the photodetectors exhibit a peak responsivity of 0.68 A/W at 3.35 μm, corresponding to… read more here.
Keywords: wavelength infrared; infrared photodetectors; ion implantation; zinc ion ... See more keywords
Modulation transfer function measurements of HgCdTe long wavelength infrared arrays for the Near-Earth Object Surveyor
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Astronomical Telescopes, Instruments, and Systems"
DOI: 10.1117/1.jatis.8.1.016002
Abstract: Abstract. The modulation transfer function (MTF) is a useful measure in image quality analysis and performance budget determination. Sensitive long wavelength infrared (LWIR) detectors for astronomical space telescopes require slight modifications to the existing MTF… read more here.
Keywords: wavelength infrared; transfer function; earth object; long wavelength ... See more keywords
Optimization of a miniature short-wavelength infrared objective optics of a short-wavelength infrared to visible upconversion layer attached to a mobile-devices visible camera
Sign Up to like & getrecommendations! Published in 2017 at "Optical Engineering"
DOI: 10.1117/1.oe.56.10.105102
Abstract: Abstract. The use of dual cameras in parallax in order to detect and create 3-D images in mobile devices has been increasing over the last few years. We propose a concept where the second camera… read more here.
Keywords: wavelength infrared; layer; optics; camera ... See more keywords
SRH suppressed P-G-I design for very long-wavelength infrared HgCdTe photodiodes.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.458419
Abstract: The very long wavelength infrared (VLWIR, >14 µm) spectral band is an indispensable part of new-generation infrared remote sensing. Mercury cadmium telluride (HgCdTe or MCT) has shown excellent potential across the entire infrared band. However,… read more here.
Keywords: wavelength infrared; hgcdte photodiodes; srh suppressed; long wavelength ... See more keywords