Results 11 to 20 of about 52,471 (290)

Solar-Blind Mobile Deep Ultraviolet Optical Communication Utilizing Photomultiplier Tubes

open access: yesPhotonics
Ozone in the atmosphere strongly absorbs deep ultraviolet light with wavelengths between 200 and 280 nm. Therefore, this characteristic is advantageous and promising for unperturbed, non-disturbed information transmission in fields such as secure ...
Lei Zhang, Tianle Li, Yongjin Wang
doaj   +2 more sources

Integrated Deep Ultraviolet Doublet Metalens for Projection Imaging

open access: yesApplied Sciences
Metalenses, with their unique modulation of light, are in great demand for many potential applications. As a proof-of-principle demonstration, we focus on designing SiO2 metalenses that operate in the deep ultraviolet region, specifically around 193 nm ...
Xiaoyan Shi   +3 more
doaj   +2 more sources

Deep-ultraviolet ptychographic pocket-scope (DART): mesoscale lensless molecular imaging with label-free spectroscopic contrast [PDF]

open access: yeseLight
The mesoscale characterization of biological specimens has traditionally required compromises between resolution, field-of-view, depth-of-field, and molecular specificity, with most approaches relying on external labels.
Ruihai Wang   +13 more
doaj   +2 more sources

Generation of intense ultrashort deep ultraviolet pulses at 200 nm

open access: yesHigh Power Laser Science and Engineering
We report the generation of intense deep ultraviolet pulses at 200 nm with a duration of 48 fs and a pulse energy of 130 μJ, achieved via cascaded sum-frequency generation using 800 nm femtosecond pulses in barium borate crystals.
Xinhua Xie   +4 more
doaj   +2 more sources

Design and preparation of 222nm deep ultraviolet thin films [PDF]

open access: yesE3S Web of Conferences
This paper proposes a design scheme for a deep ultraviolet anti-reflective film, with a substrate material of JGS1, and high and low refractive index materials of Al2O3 and AlF3, respectively.
Lou Jiawang   +6 more
doaj   +3 more sources

Deep ultraviolet hydrogel based on 2D cobalt-doped titanate [PDF]

open access: yesLight: Science & Applications, 2023
New birefringent element which can stably and continuously modulate DUV light by mechanical stimuli (compressing or stretching).
Youan Xu   +8 more
doaj   +2 more sources

Wide-angle deep ultraviolet antireflective multilayers via discrete-to-continuous optimization [PDF]

open access: yesNanophotonics, 2023
To date, various optimization algorithms have been used to design non-intuitive photonic structures with unconventional optical performance. Good training datasets facilitate the optimization process, particularly when an objective function has a non ...
Kim Jae-Hyun   +6 more
doaj   +2 more sources

Deep ultraviolet tip-enhanced Raman scattering [PDF]

open access: yesChemical Communications, 2011
Electromagnetic mechanism of deep ultraviolet tip-enhanced Raman scattering (DUV-TERS) is investigated theoretically with the finite-difference time-domain (FDTD) method, stimulated by recent DUV-TERS experimental reports. FDTD results reveal that the strongest electromagnetic enhancement factor for DUV-TERS is as high as 7 orders in the optimal ...
Yang, Zhilin   +3 more
openaire   +4 more sources

Dual polarization for efficient III-nitride-based deep ultraviolet micro-LEDs [PDF]

open access: yesScientific Reports
The deep ultraviolet (DUV) micro-light emitting diode (μLED) has serious electron leakage and low hole injection efficiency. Meanwhile, with the decrease in the size of the LED chip, the plasma-assisted dry etching process will cause damage to the side ...
Zhongqiu Xing   +6 more
doaj   +2 more sources

Temperature-Dependent Self-Powered Solar-Blind Photodetector Based on Ag2O/β-Ga2O3 Heterojunction

open access: yesNanomaterials, 2022
In this study, a high-photoresponsivity self-powered deep ultraviolet (DUV) photodetector based on an Ag2O/β-Ga2O3 heterojunction was fabricated by depositing a p-type Ag2O thin film onto an n-type β-Ga2O3 layer.
Taejun Park   +9 more
doaj   +1 more source

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