Results 11 to 20 of about 4,601,669 (267)

Publisher Correction: Quantitative evaluation of SARS-CoV-2 inactivation using a deep ultraviolet light-emitting diode [PDF]

open access: yesScientific Reports, 2021
Takeo Minamikawa   +10 more
doaj   +2 more sources

A Review of AlGaN-Based Deep-Ultraviolet Light-Emitting Diodes on Sapphire

open access: yesApplied Sciences, 2018
This paper reviews the progress of AlGaN-based deep-ultraviolet (DUV) light emitting diodes (LEDs), mainly focusing in the work of the authors’ group.
Yosuke Nagasawa, Akira Hirano
doaj   +3 more sources

Author Correction: Graphene-driving strain engineering to enable strain-free epitaxy of AlN film for deep ultraviolet light-emitting diode [PDF]

open access: yesLight: Science & Applications, 2022
Hongliang Chang   +14 more
doaj   +2 more sources

Enhanced the Optical Power of AlGaN-Based Deep Ultraviolet Light-Emitting Diode by Optimizing Mesa Sidewall Angle

open access: yesIEEE Photonics Journal, 2018
In this work, we propose and optimize the sidewalls for the mesa to enhance the optical power for AlGaN-based deep ultraviolet light-emitting diodes (LEDs). We obtain the mesa with the inclined sidewalls by conducting dry etching. The optical performance
Qian Chen   +8 more
doaj   +3 more sources

Solar-Blind Optical Wireless Communications Over 80 Meters Using a 265-nm High-Power Single-Chip DUV-LED Over 500 mW in Sunlight

open access: yesIEEE Photonics Journal, 2023
Direct eye-pattern measurements based on a deep-ultraviolet (DUV) light emitting diode (LED) optical wireless communication system were performed in sunlight.
Hiroyuki Kurosawa   +3 more
doaj   +1 more source

Influence of Thin Fluorine Resin Film on DUV LED Packaging Devices

open access: yesApplied Sciences, 2023
Amorphous fluorine resin is a promising material that can be used for the encapsulation of deep-ultraviolet light-emitting diodes (DUV LEDs) to promote the light output, due to its light characteristics which mean it shows no absorption in the DUV ...
Wenbo Li   +7 more
doaj   +1 more source

Polarization Self-Screened Multiple Quantum Wells for Deep Ultraviolet Light-Emitting Diodes to Enhance the Optical Power

open access: yesIEEE Photonics Journal, 2021
We experimentally and numerically propose a deep ultraviolet light-emitting diode (DUV LED) possessing the quantum barriers (QBs) with the gradually reduced Al composition along the [0001] orientation.
Chunshuang Chu   +5 more
doaj   +1 more source

Operation of an optical in-well-pumped vertical-external-cavity surface-emitting laser [PDF]

open access: yes, 2006
We report the operation of an optical in-well-pumped vertical-external-cavity surface-emitting laser. The laser delivers 1 W at 855 nm and is pumped with a cost-effective fiber-coupled laser diode emitting at 806 nm.
Ferguson, Allister I.   +5 more
core   +3 more sources

Theoretical and Computational Analysis of a Wurtzite-AlGaN DUV-LED to Mitigate Quantum-Confined Stark Effect with a Zincblende Comparison Considering Mg- and Be-Doping

open access: yesNanomaterials, 2022
In this work, an AlGaN-based Deep-Ultraviolet Light-Emitting Diode structure has been designed and simulated for the zincblende and wurtzite approaches, where the polarization effect is included.
Horacio I. Solís-Cisneros   +7 more
doaj   +1 more source

Investigation of Light-Extraction Efficiency of Flip-Chip AlGaN-Based Deep-Ultraviolet Light-Emitting Diodes Adopting AlGaN Metasurface

open access: yesIEEE Photonics Journal, 2021
Herein, we investigate the influence of an AlGaN metasurface on AlGaN-based deep-ultraviolet light-emitting diodes' light-extraction efficiency by utilizing the 3D finite-difference time-domain method.
Joosun Yun, Hideki Hirayama
doaj   +1 more source

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