Rapid Inactivation of SARS-CoV-2 Variants by Continuous and Intermittent Irradiation with a Deep-Ultraviolet Light-Emitting Diode (DUV-LED) Device [PDF]
Pathogens, 2021 More than 1 year has passed since social activities have been restricted due to the spread of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
Hiroko Inagaki +5 more
doaj +5 more sources
Deep-ultraviolet Fourier ptychography (DUV-FP) for label-free biochemical imaging via feature-domain optimization [PDF]
APL PhotonicsWe present deep-ultraviolet Fourier ptychography (DUV-FP) for high-resolution chemical imaging of biological specimens in their native state without exogenous stains.
Qianhao Zhao +5 more
doaj +4 more sources
Power Enhancement of 265 nm DUV-LED Flip-Chip by HVPE-AlN High-Temperature Annealing [PDF]
Micromachines, 2023 In this paper, the X-ray diffraction full width at half the maximum (XRD FWHM) of a 3.5 µm-thick hydride vapor phase epitaxy-aluminum nitride (HVPE-AlN) (002) face after high-temperature annealing was reduced to 129 arcsec. The tensile strain in the HVPE-
Wenkai Yue, Xiaowei Zhou
exaly +3 more sources
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 +4 more sources
IEEE 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 +4 more sources
Influence of Thin Fluorine Resin Film on DUV LED Packaging Devices
Applied 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 +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. [PDF]
Nanomaterials (Basel), 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.
Solís-Cisneros HI +7 more
europepmc +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 +2 more sources
Sensors and Actuators A: Physical, 2022 This paper reports an improved deep ultraviolet LED (DUV-LED) packaging based on Si Micro-Electro-Mechanical Systems (MEMS) process technology. The Si package (Si-PKG) consists of a cavity formed by Si crystalline anisotropic wet etching and through ...
Shuji Tanaka, Yukio Suzuki
exaly +2 more sources
Tunnelling assisted by Si-doped n-AlGaN layer on the p-side of 254 nm DUV LED
Optical and Quantum Electronics, 2023 In the past, low-pressure mercury (Hg)-based deep-ultraviolet (DUV) lamps have been widely used for real-world applications. The exposure of pathogen to DUV radiation at 254 nm emission has been proven to be an effective way for their inactivation in ...
Muhammad Ajmal Khan +2 more
exaly +2 more sources