Results 31 to 40 of about 52,471 (290)

Solar‐Blind Ultrathin Sn‐Doped Polycrystalline Ga2O3 UV Phototransistor for Normally Off Operation

open access: yesAdvanced Photonics Research, 2022
Deep ultraviolet (DUV) photodetectors (PDs) based on ultrawide bandgap β‐Ga2O3 have great potential for aerospace, military, and civilian applications, especially because of their inherent solar blindness.
Youngbin Yoon   +2 more
doaj   +1 more source

Deep ultraviolet lasers for flow cytometry [PDF]

open access: yesCytometry Part A, 2018
AbstractModern flow cytometers require multiple laser wavelengths to excite the wide variety of fluorescent probes now available for high‐dimensional analysis. Ultraviolet (UV) lasers (typically solid state 355 nm) have become a critical excitation source for the Brilliant Ultraviolet (BUV) series of polymer fluorochromes.
William, Telford   +3 more
openaire   +2 more sources

Exploiting Cross-Luminescence in BaF2 for Ultrafast Timing Applications Using Deep-Ultraviolet Sensitive HPK Silicon Photomultipliers

open access: yesFrontiers in Physics, 2020
Time resolution of scintillation-based detectors is becoming continuously more important, both for medical applications, especially in positron emission tomography (PET), and in high energy physics. This article is an initial study on exploiting the fast
Rosalinde Hendrika Pots   +4 more
doaj   +1 more source

Ultralow-power deep-ultraviolet photodetection using oxide-nitride heterojunctions integrated on silicon

open access: yes, 2022
A Si-integrated oxide-nitride deep-ultraviolet photodetector with remarkable photosensitivity is demonstrated. The proposed device topology is realized through the disordered nucleation of β-Ga2O3 crystals on monocrystalline TiN interlayers forming an ...
Ng, Tien Khee   +7 more
core   +1 more source

Enhanced joint hybrid deep neural network explainable artificial intelligence model for 1-hr ahead solar ultraviolet index prediction [PDF]

open access: yes, 2023
Background and Objective Exposure to solar ultraviolet (UV) radiation can cause malignant keratinocyte cancer and eye disease. Developing a user-friendly, portable, real-time solar UV alert system especially or wearable electronic mobile devices can help
Salvin S. Prasad   +11 more
core   +1 more source

Techniques for Constructing Ultra Low Cost Deep Ultraviolet Transmission Microscopes

open access: yesIEEE Access, 2023
This article presents the design, construction, and results obtained by our new compact, small and inexpensive deep UV microscope. Several methods are described for recording microscopic images of various types in the deep ultraviolet spectral regime ...
Dinesh Dhankhar, Peter M. Rentzepis
doaj   +1 more source

Combining motility and bioluminescent signalling aids mate finding in deep-sea fish: a simulation study [PDF]

open access: yes, 2005
We present a model to estimate the mean time required for mate finding among deep-sea fish as a function of motility and the extent of bioluminescent signalling.
Bailey, David M., Ruxton, Graeme D.
core   +1 more source

275 nm Deep Ultraviolet AlGaN-Based Micro-LED Arrays for Ultraviolet Communication

open access: yesIEEE Photonics Journal, 2022
In this work, we fabricated and characterized 4 × 4 parallel flip-chip AlGaN-based micro-LED arrays with varied mesa diameters of 120 µm, 100 µm, 80 µm, and 60 µm.
Liang Guo   +6 more
doaj   +1 more source

Light-emitting diodes and photodiodes in the deep ultra-violet range for absorption photometry in liquid chromatography, capillary electrophoresis and gas sensing [PDF]

open access: yes, 2016
Absorbance measurement in the deep ultra-violet range (below 300 nm) has been one of the most widely used detection methods for analytical techniques as a large number of organic compounds have strong absorption bands in the deep UV region.
Bui, Duy Anh
core   +1 more source

High-Performance and Self-Powered Deep UV Photodetectors Based on High Quality 2D Boron Nitride Nanosheets

open access: yesNanomaterials, 2017
High-quality two-dimensional (2D) crystalline boron nitride nanosheets (BNNSs) were grown on silicon wafers by using pulsed plasma beam deposition techniques.
Ali Aldalbahi   +5 more
doaj   +1 more source

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