Results 81 to 90 of about 1,939 (181)

A Polarization-Adjustable Picosecond Deep-Ultraviolet Laser for Spin- and Angle-Resolved Photoemission Spectroscopy

, 2012
We report on a polarization-adjustable picosecond deep-ultraviolet (DUV) laser at 177.3 nm. The DUV laser was produced by second harmonic generation from a mode-locked laser at 355 nm in nonlinear optical crystal KBBF.
Peng, Qin-Jun, Wang, Xiao-Yang, Xu, Feng-Liang, Chen, Chuang-Tian, Zhang, Feng-Feng, Yang, Feng, Zhang, Jing-Yuan, Xu, Zu-Yan, Zhang, Shen-Jin, Wang, Zhi-Min   +9 more
core   +1 more source

Polarization‐Engineered Barrier Designs and Field Reversal Strategies for Improved Carrier Confinement in N‐Polar Thin‐Film Aluminum Gallium Nitride Deep‐Ultraviolet Light‐Emitting Diodes

physica status solidi (a), Volume 223, Issue 7, 7 April 2026.
Conventional Ga‐polar aluminum gallium nitride (AlGaN) deep‐ultraviolet (UV) light‐emitting diodes (LEDs) suffer from polarization‐induced carrier separation and severe electron leakage, which limit device efficiency. In this regard, we present an N‐polar AlGaN‐based UV LED integrating a band‐engineered active region designed to overcome the ...
Swetha Velpula, Mano Bala Sankar Muthu, Ravi Teja Velpula, Hieu Pham Trung Nguyen   +3 more
wiley   +1 more source

Deep-ultraviolet photodetectors from epitaxially grown NixMg1-xO

, 2010
Deep-ultraviolet (DUV) photodetectors were fabricated from high quality NixMg1-xO epitaxially grown by plasma-assisted molecular beam epitaxy on an approximately lattice matched MgO \u3c 100 \u3e substrate.
A. Scheurer, M. Wei, Wei, M., Mares, J. W., Boutwell, R. C., J. W. Mares, Scheurer, A., R. C. Boutwell, W. V. Schoenfeld, Schoenfeld, W. V.   +9 more
core   +1 more source

Thermal Control Systems in Projection Lithography Tools: A Comprehensive Review

Micromachines
This review examines the design of thermal control systems for state-of-the-art deep ultraviolet (DUV) and extreme ultraviolet (EUV) projection lithography tools.
Di Cao, He Dong, Zhibo Zeng, Wei Zhang, Xiaoping Li, Hangcheng Yu   +5 more
doaj   +1 more source

Tailoring of Energy Band in Electron-Blocking Structure Enhancing the Efficiency of AlGaN-Based Deep Ultraviolet Light-Emitting Diodes

IEEE Photonics Journal, 2016
Electron-leakage is a deep-rooted problem for nitride-based light-emitting diodes (LEDs), particularly for AlGaN-based deep-ultraviolet (DUV) LEDs. In this paper, a specific design for the electron-blocking structure in AlGaN DUV LEDs, increasing the Al ...
Xiaoli Ji, Jianchang Yan, Yanan Guo, Lili Sun, Tongbo Wei, Yun Zhang, Junxi Wang, Fuhua Yang, Jinmin Li   +8 more
doaj   +1 more source

Deep‐Ultraviolet (DUV) Raman and Fluorescence of Perchlorates and Chlorates: Implications for the Detection of Oxychlorines by the SHERLOC Instrument in Jezero Crater, Mars

Earth and Space Science
Abstract Oxychlorines (i.e., perchlorates (ClO 4 − ) and chlorates (ClO 3 − )) have been detected by several landed missions on Mars at various locations.
J. V. Clark, R. S. Jakubek, P. Conrad, E. Cardarelli, D. Buckner, A. Corpolongo, W. J. Abbey, K. Hand, M. Fries, P. Casbeer, S. Siljeström, F. M. McCubbin, S. Sharma, C. Lee, R. Bhartia, A. Steele   +15 more
openaire   +1 more source

Mask-induced best-focus-shifts in DUV and EUV lithography

, 2022
Paper 94260H, 11 S.The mask plays a significant role as an active optical element in lithography, for both EUV and immersion lithography. Mask-induced and feature dependent shifts of the best focus position and other aberration-like effects were reported
Neumann, J.T., Evanschitzky, P., Erdmann, A., Gräupner, P.   +3 more
core   +1 more source

Computational Screening of Promising Deep-Ultraviolet Light Emitters

Deep-ultraviolet (DUV) light sources are technologically highly important, but DUV light-emitting materials are extremely rare; AlN and its alloys are the only materials known so far, significantly limiting the chemical and structural spaces for ...
Zi-Kai Zhou (18453110), Zheng Liu (28397), Xun Xu (276108), Qiu-Shi Huang (18453101), Su-Huai Wei (1281639), Jinshan Li (1582246), Bai-Qing Zhao (18453104), Xie Zhang (2359588), Si-Yuan Xu (18453107), Chuan-Nan Li (6589889), Han-Pu Liang (2448226)   +10 more
core   +1 more source

A novel Raman optical activity instrument operating in the deep ultraviolet spectral region

, 2015
Raman optical activity (ROA) has been exclusively observed in the visible (VIS) and near-infrared (NIR) spectral regions to date. During the last few years, we have designed, constructed and tested the first ROA instrument, operating in the deep ...
Barron, Laurence D., Hecht, Lutz, Kapitán, Josef   +2 more
core   +1 more source

Performance study of UV micro-LEDs with AlGaN quantum dots and transparent tunnel junction

Next Nanotechnology
It is well known that the size of deep ultraviolet (DUV) micro LED (μLEDs) decreases, although bandwidth improves, the optical power drops sharply, severely limiting the application of DUV μLEDs in optical communication.
Yun-Cheng Hsu, Ching-Ho Tien, Yun-Han Chang, Sunanda Mitra, Sankesh Shetty, Sébastien Chenot, Mohamed Al Khalfioui, Hao-Chung Kuo, Chi-Wai Chow, Chia-Yen Huang, Julien Brault, Ray-Hua Horng   +11 more
doaj   +1 more source