Results 41 to 50 of about 13,016,053 (384)

Low phase noise THz generation from a fiber-referenced Kerr microresonator soliton comb

open access: yesCommunications Physics, 2022
Low phase-noise THz wave generation is in high demand for applications such as wireless communications and radars. Here, the authors generate low-noise THz waves via photodetection of the carrier of a Kerr frequency comb, which is repetition-rate ...
Naoya Kuse   +7 more
doaj   +1 more source

Proposta de classificação para avaliar a qualidade dos dados censitários dos centenários

open access: yesRevista Latinoamericana de Población, 2022
O objetivo deste estudo consistiu em propor uma classificação que permita avaliar a qualidade da contagem censitária dos idosos centenários, a partir de determinados indicadores para contingentes populacionais regionais do mundo.
Juliana Barbosa Medeiros   +1 more
doaj   +1 more source

Rapid inactivation of SARS-CoV-2 with deep-UV LED irradiation

open access: yesbioRxiv, 2020
The spread of novel coronavirus disease 2019 (COVID-19) infections worldwide has raised concerns about the prevention and control of SARS-CoV-2. Devices that rapidly inactivate viruses can reduce the chance of infection through aerosols and contact ...
H. Inagaki   +4 more
semanticscholar   +1 more source

Experimental confirmation of self-imaging effect between guided light and surface plasmon polaritons in hybrid plasmonic waveguides

open access: yesScientific Reports, 2022
We fabricated a hybrid plasmonic device using self-imaging effect between guided light and surface plasmon polaritons in the hybrid plasmonic waveguide.
Hiroyuki Okamoto   +4 more
doaj   +1 more source

Revolutionising textile manufacturing: a comprehensive review on 3D and 4D printing technologies

open access: yesFashion and Textiles, 2023
An exhaustive and integrative overview of recent developments in 3D and 4D textiles based on Additive Manufacturing (AM) were provided in order to identify the current state‐of‐the‐art.
João P. Manaia   +2 more
doaj   +1 more source

From physics to fixtures to food: current and potential LED efficacy

open access: yesHorticulture Research, 2020
Overview Light-emitting diodes (LEDs) have enabled a historic increase in the conversion of electric energy to photons, but this is approaching a physical limit.
Paul Kusuma, P. Pattison, Bruce Bugbee
semanticscholar   +1 more source

Luminescent Characteristics of Blue Phosphor CaAl2Si2O8:Eu2+ in White LED Applications by Solid State Method

open access: yesMATEC Web of Conferences, 2017
Using the solid state reaction method, we synthesize the Ca0.88Al2Si2O8:Eu2+0.12 phosphor powders at different sintering temperatures ranging from 1100 to 1500 °C.
Lee Joo Hyun   +2 more
doaj   +1 more source

A Radiation Imaging Detector Made by Postprocessing a Standard CMOS Chip [PDF]

open access: yes, 2008
An unpackaged microchip is used as the sensing element in a miniaturized gaseous proportional chamber. Thisletter reports on the fabrication and performance of a complete radiation imaging detector based on this principle.
Blanco Carballo, V.M.   +8 more
core   +2 more sources

Reescritura en pareja: una tarea de aprendizaje inicial de lo escrito

open access: yesCLIL Journal of Innovation and Research in Plurilingual and Pluricultural Education, 2020
En este artículo se presenta una tarea de reescritura de textos en pareja de dos niños en los momentos iniciales del proceso de aprendizaje del lenguaje escrito (entre 5 y 7 años).
Giovanna Ottin Pecchio
doaj   +1 more source

Mini-LED and Micro-LED: Promising Candidates for the Next Generation Display Technology

open access: yesApplied Sciences, 2018
Displays based on inorganic light-emitting diodes (LED) are considered as the most promising one among the display technologies for the next-generation.
Tingzhu Wu   +9 more
semanticscholar   +1 more source

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