Results 41 to 50 of about 994 (138)

A spectrally bright wavelength-switchable vacuum ultraviolet source driven by quantum coherence in strong-field-ionized molecules

New Journal of Physics, 2021
We report generation of spectrally bright vacuum ultraviolet (VUV) and deep UV (DUV) coherent radiations at the wavelengths of 192 nm, 198 nm and 204 nm.
Yuexin Wan, Zhaoxiang Liu, Jinping Yao, Bo Xu, Jinming Chen, Fangbo Zhang, Zhihao Zhang, Lingling Qiao, Ya Cheng   +8 more
doaj   +1 more source

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, Leming Tang, Yong Yang, Zhicong Zhang, Guanghui Li, Meixin Feng, Qiming Xu, Qian Sun   +7 more
doaj   +1 more source

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, Hironori Igarashi, Shinji Ito, Chen Qu, Zhigang Zhao, Yohei Kobayashi   +5 more
doaj   +1 more source

Formation of conductive spontaneous via holes in AlN buffer layer on n+Si substrate by filling the vias with n-AlGaN by metal organic chemical vapor deposition and application to vertical deep ultraviolet photo-sensor

AIP Advances, 2014
We have grown conductive aluminum nitride (AlN) layers using the spontaneous via holes formation technique on an n+-Si substrate for vertical-type device fabrication.
N. Kurose, N. Iwata, I. Kamiya, Y. Aoyagi   +3 more
doaj   +1 more source

An excellent deep-ultraviolet birefringent material based on [BO2]∞ infinite chains

Light: Science & Applications, 2022
Birefringent materials play indispensable roles in modulating the polarization of light and are vital in the laser science and technology. Currently, the design of birefringent materials operating in the deep-ultraviolet region (DUV, λ ≤200 nm) is still ...
Fangfang Zhang, Xinglong Chen, Min Zhang, Wenqi Jin, Shujuan Han, Zhihua Yang, Shilie Pan   +6 more
doaj   +1 more source

Improved Characteristics of AlGaN-Based Deep Ultraviolet Light-Emitting Diodes with Superlattice p-Type Doping

IEEE Photonics Journal, 2017
The photoelectric properties and physical mechanism of AlGaN-based deep ultraviolet light emitting diodes (DUV-LEDs) with the superlattice p-type doping layer (PSL) are studied numerically and compared with the Al-composition (50%) conventional p ...
Qianying Si, Hangyang Chen, Shuping Li, Shiqiang Lu, Junyong Kang   +4 more
doaj   +1 more source

Deep learning classification of deep ultraviolet fluorescence images toward intra-operative margin assessment in breast cancer

Frontiers in Oncology, 2023
BackgroundBreast-conserving surgery is aimed at removing all cancerous cells while minimizing the loss of healthy tissue. To ensure a balance between complete resection of cancer and preservation of healthy tissue, it is necessary to assess themargins of
Tyrell To, Tongtong Lu, Julie M. Jorns, Mollie Patton, Taly Gilat Schmidt, Tina Yen, Bing Yu, Dong Hye Ye   +7 more
doaj   +1 more source

Rapid inactivation of SARS-CoV-2 with deep-UV LED irradiation

Emerging Microbes and Infections, 2020
The spread of novel coronavirus disease 2019 (COVID-19) infections worldwide has raised concerns about the prevention and control of SARS-CoV-2. Devices that rapidly inactivate viruses can reduce the chance of infection through aerosols and contact ...
Hiroko Inagaki, Akatsuki Saito, Hironobu Sugiyama, Tamaki Okabayashi, Shouichi Fujimoto   +4 more
doaj   +1 more source

High numerical aperture reflective deep ultraviolet Fourier ptychographic microscopy for nanofeature imaging

APL Photonics, 2022
Pushing the resolution limit to the nanoscale is a critical challenge for applying the reflective Fourier ptychographic microscopy (FPM) to metrologies for characterization of nanoscale features.
Kwan Seob Park, Yoon Sung Bae, Sang-Soo Choi, Martin Y. Sohn   +3 more
doaj   +1 more source

A Review of Recent Research Advances on AlGaN-Based Deep Ultraviolet Light-Emitting Diodes

IEEE Access
Due to environmental friendliness, small size, long lifetime, and adjustable light-emitting wavelength, AlGaN-based deep ultraviolet light-emitting diodes (DUV-LEDs) have great development potential in the fields of biochemical detection, sterilization ...
Yong Huang, Yu Li, Dan Xiang
doaj   +1 more source