Results 11 to 20 of about 2,614,293 (181)
Deep Ultraviolet Photodetector: Materials and Devices [PDF]
Crystals, 2023 The application of deep ultraviolet detection (DUV) in military and civil fields has increasingly attracted the attention of researchers’ attention.
Wannian Fang +8 more
doaj +2 more sources
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). More recently, novel SARS-CoV-2 variants have been spreading around the world, and there is growing concern that they may have higher transmissibility and that the protective efficacy of vaccines ...
Hiroko Inagaki +5 more
openaire +5 more sources
Crystals, 2019 To realize high-efficiency, AlGaN-based, deep-ultraviolet light-emitting diodes (DUV-LEDs), enhancing their light-extraction efficiency and reducing thermal resistance is very crucial.
Chieh-Yu Kang +5 more
doaj +2 more sources
Greatly Enhanced Wall-Plug Efficiency of N-polar AlGaN-Based Deep Ultraviolet Light-Emitting Diodes
IEEE Photonics Journal, 2021 In this work, we numerically investigate the N-polar AlGaN-based deep ultraviolet light-emitting diodes (DUV LEDs) over the Ga-polar DUV LEDs. The light output power has increased from 7.1 mW of Ga-polar DUV LED to 18.8 mW of N-polar DUV LED at 60 mA ...
Hongchang Tao +4 more
doaj +2 more sources
High-Power, Solid-State, Deep Ultraviolet Laser Generation
Applied Sciences, 2018 At present, deep ultraviolet (DUV) lasers at the wavelength of fourth harmonics of 1 μm (266 nm/258 nm) and at the wavelength of 193 nm are widely utilized in science and industry.
Hongwen Xuan +5 more
doaj +2 more sources
Band-Engineered Structural Design of High-Performance Deep-Ultraviolet Light-Emitting Diodes
Crystals, 2021 In this study, systematic structural design was investigated numerically to probe into the cross-relating influences of n-AlGaN layer, quantum barrier (QB), and electron-blocking layer (EBL) on the output performance of AlGaN deep-ultraviolet (DUV) light-
Jih-Yuan Chang +5 more
doaj +2 more sources
Crystals, 2018 To realize high-efficiency AlGaN-based deep-ultraviolet light-emitting diodes (DUV-LEDs), enhancing their light-extraction efficiency (LEE) is crucial. This paper proposes an aluminum-based sidewall reflector structure that could replace the conventional
Yung-Min Pai +6 more
doaj +2 more sources
Carrier Transport in a Deep Ultraviolet Mixed Quantum Well Light Emitting Diode
IEEE Photonics JournalAluminium Gallium Nitride (AlGaN) based light emitting diodes (LED) are the enabling technology for compact emitters of deep ultraviolet (DUV) radiation and are in high demand for environmental and medical applications.
Friedhard Romer +7 more
doaj +2 more sources
Metasurfaces for deep and extreme ultraviolet optics: a review
Moore and MoreThe high photon energy of ultraviolet (UV) radiation has enabled extensive applications in medical research, sterilization, environmental protection, and semiconductor manufacturing.
Guirong Liang +5 more
doaj +2 more sources
Verdet constant dispersion of magnesium fluoride for deep-ultraviolet and vacuum-ultraviolet Faraday rotators [PDF]
, 2023 0000-0002-7220-0613The Verdet constant dispersion in magnesium fluoride (MgF2) crystals was evaluated over a wavelength range of 190–300 nm. The Verdet constant was found to be 38.7 rad/(T·m) at a wavelength of 193 nm. These results were fitted using the
UEHARA, Hiyori +4 more
core +2 more sources