Results 11 to 20 of about 2,177,698 (204)
Spherical vs. Plane Lenses for Enhanced DUV-LED Performance and Wine Aging
Applied SciencesThe strategic selection of lens geometry—spherical versus plane—decisively shapes the opto-thermal performance boundary of deep ultraviolet light-emitting diodes (DUV-LEDs), thereby governing their efficacy in application-specific photochemical processes.
Jichen Shen +4 more
doaj +3 more sources
Physica Scripta, 2022 Abstract We report a numerical analysis of the variation of Aluminium (Al) composition in Al Gallium Nitride (AlGaN)-based Deep-Ultraviolet Light-Emitting Diode (DUV-LED) and its effects on the carrier concentration, radiative recombination, and photoluminescence (PL).
Mohammad Amirul Hairol Aman +5 more
openaire +3 more sources
Tuning Metamaterials for Applications at DUV Wavelengths [PDF]
International Journal of Optics, 2012 The unique properties of metamaterials, namely, their negative refractive index, permittivity, or permeability, have gained much recent attention. Research into these materials has led to the realization of a host of applications that may be useful to ...
Andrew Estroff, Bruce W. Smith
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Usefulness of a new DUV-LED device for the control of infection by Escherichia coli, Staphylococcus aureus, mycobacteria and spore-forming bacteria. [PDF]
Front Public Health, 2022 Reliable disinfection and sterilization technologies are needed to deal with the various infectious diseases spreading around the world. Furthermore, bacteria that are difficult to eliminate by ordinary disinfection are also a problem in the medical ...
Inagaki H +6 more
europepmc +2 more sources
Deep Ultraviolet Light-Emitting Diode Light Therapy for Fusobacterium nucleatum
Microorganisms, 2021 Background: Fusobacterium nucleatum, which is associated with periodontitis and gingivitis, has been detected in colorectal cancer (CRC). Methods: We evaluated the bactericidal effect of deep ultraviolet (DUV) light-emitting diode (LED) light therapy on ...
Soichiro Fukuda +12 more
doaj +1 more source
A 265-Nanometer High-Power Deep-UV Light-Emitting Diode Rapidly Inactivates SARS-CoV-2 Aerosols
mSphere, 2022 Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection (COVID-19) is an acute respiratory infection transmitted by droplets, aerosols, and contact.
Hiroshi Ueki +5 more
doaj +1 more source
IEEE Photonics Journal, 2023 In this work, we investigate the performance improvement of N-polar AlGaN-based deep ultraviolet light-emitting diodes (DUV LEDs) by the inversion of the hole injection layer from N-polar to Ga-polar.
Xu Liu +7 more
doaj +1 more source
AlGaN-Delta-GaN Quantum Well for DUV LEDs [PDF]
Photonics, 2020 AlGaN-delta-GaN quantum well (QW) structures have been demonstrated to be good candidates for the realization of high-efficiency deep-ultraviolet (DUV) light-emitting diodes (LEDs). However, such heterostructures are still not fully understood. This study focuses on investigation of the optical properties and efficiency of the AlGaN-delta-GaN QW ...
Cheng Liu, Bryan Melanson, Jing Zhang
openaire +2 more sources
Frontiers in Physics, 2023 A photoacoustic module based on a novel 273 nm deep-ultraviolet light-emitting diode (DUV-LED) was developed for sulfur dioxide (SO2) detection. The DUV-LED with an emission angle of 60° emitted a power of 10 mW.
Yujing Jing +11 more
doaj +1 more source
Nanophotonic crystals on unpolished sapphire substrates for deep-UV light-emitting diodes
Scientific Reports, 2021 A new method has been established and employed to create a random nanophotonic crystal (NPhC) structure without photolithography on the unpolished side of a single-side-polished sapphire substrate.
Tinh Binh Tran +2 more
doaj +1 more source