Results 91 to 100 of about 1,029 (198)
Tapering-induced enhancement of light extraction efficiency of nanowire deep ultraviolet LED by theoretical simulations [PDF]
, 2018 A nanowire (NW) structure provides an alternative scheme for deep ultraviolet light emitting diodes (DUV-LEDs) that promises high material quality and better light extraction efficiency (LEE).
Galan, Sergio Valdes +8 more
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265nm LED mini-lidar -Theoretical Approach- [PDF]
EPJ Web of ConferencesThe LED mini-lidar is discussed to install DUV-LED device in theoretical approach. The short wavelength of 265nm is in solar blind region, and it has potential to observe the low and surface atmosphere in daytime with its handy lidar setup. In this study,
Shiina Tatsuo +3 more
doaj +1 more source
Nanomaterials, 2019 High-quality and crack-free aluminum nitride (AlN) film on sapphire substrate is the foundation for high-efficiency aluminum gallium nitride (AlGaN)-based deep ultraviolet light-emitting diodes (DUV LEDs). We reported the growth of high-quality and crack-
Jie Zhao +5 more
doaj +1 more source
Surface Morphology and Ablation Efficiency in UV Ultrafast Laser Micromachining of Fused Silica
Fused silica is a key material for high-precision applications such as micro-optics and microfluidics. One route to improving direct laser writing (DLW) of fused silica is the use of shorter laser wavelengths, which enable tighter focusing and enhanced ...
Novotný, Jan +3 more
core +1 more source
High-Performances AlGaN-based DUV-LED via Under-Level Multiple Quantum Well Configuration
Low internal and external quantum efficiencies in high Aluminium content AlGaN-based deep-ultraviolet light-emitting diode (DUV-LED) occurred due to strong polarization effects, spontaneous and piezoelectric polarization, at the interface between two ...
Noorden, Ahmad Fakhrurrazi Ahmad +4 more
core
Light-Field Optimization of Deep-Ultraviolet LED Modules for Efficient Microbial Inactivation
Public awareness of preventing pathogenic microorganisms has significantly increased. Among numerous microbial prevention methods, the deep-ultraviolet (DUV) disinfection technology has received wide attention by using the nitride-based light-emitting ...
Qingna Wang +8 more
core +1 more source
, 2019 We propose a new disinfection technology based on a novel concept involving the use of a small, deep-ultraviolet light-emitting diode (DUV-LED); the 265-nm DUV light is coupled to a running-water stream and is guided to a distant position without ...
Rika Kikojima +4 more
core +1 more source
Plasmonic Materials For Use In Alternative Approaches To DUV Nanolithography
, 2014 Degradation in image contrast becomes a concern at higher numerical apertures (NA) due to mask induced polarization effects. Rigorous coupled-wave analysis (RCWA) was used to simulate the polarization of radiation by the photomask.
Estroff, Andrew Charles
core
High-Performance Flexible PbS Nanofilm Wavelength Sensor with Detection Region Ranging from DUV to NIR [PDF]
In this study, on the fabrication of a flexible wavelength sensor is reported, which is achieved by growing a layer of lead sulfide (PbS) nanofilm on both sides of a polyethylene terephthalate substrate using the chemical bath deposition method, followed
Wu, Zhi-Cheng +10 more
core +1 more source