Results 1 to 10 of about 857,173 (193)

High Rate Deposition of Piezoelectric AlScN Films by Reactive Magnetron Sputtering from AlSc Alloy Targets on Large Area

open access: yesMicromachines, 2022
This paper reports on the deposition and characterization of piezoelectric AlXSc1-XN (further: AlScN) films on Si substrates using AlSc alloy targets with 30 at.% Sc.
Stephan Barth   +5 more
doaj   +1 more source

High-Performance Anodes Made of Metallic Lithium Layers and Lithiated Silicon Layers Prepared by Vacuum Technologies

open access: yesBatteries, 2023
Replacing conventional electrode materials is one of the most pressing challenges for next-generation lithium-ion batteries since state-of-the-art systems have almost reached their limitations for performance gains.
Stefan Saager   +4 more
doaj   +1 more source

Observation of terahertz coherent edge radiation amplified by infrared free-electron laser oscillations

open access: yesScientific Reports, 2021
A coupling device, which can extract coherent edge radiation (CER) from an optical cavity for a free-electron laser (FEL) without damaging the FEL due to diffraction loss, was developed at Nihon University.
Norihiro Sei   +6 more
doaj   +1 more source

Energy-saving potential of thermochromic coatings in transparent building envelope components

open access: yesJournal of Facade Design and Engineering, 2023
Advances in the energy management of buildings are essential for reducing the carbon footprint in the building sector. Applying special window coatings of varying optical properties offers new chances for improved energy efficiency.
Matthias Fahland   +2 more
doaj   +1 more source

Ionizing Radiation Technologies for Vaccine Development - A Mini Review

open access: yesFrontiers in Immunology, 2022
Given the current pandemic the world is struggling with, there is an urgent need to continually improve vaccine technologies. Ionizing radiation technology has a long history in the development of vaccines, dating back to the mid-20th century.
Sohini S. Bhatia   +2 more
doaj   +1 more source

Electron beam profile imaging in the presence of coherent optical radiation effects [PDF]

open access: yes, 2012
High-brightness electron beams with low energy spread at existing and future x-ray free-electron lasers are affected by various collective beam self-interactions and microbunching instabilities. The corresponding coherent optical radiation effects, e.g.,
A. Murokh   +15 more
core   +8 more sources

Study of Through Glass Via (TGV) Using Bessel Beam, Ultrashort Two-Pulses of Laser and Selective Chemical Etching

open access: yesMicromachines, 2023
Selective laser etching is a promising candidate for the mass production of glass interposers. It comprises two steps: local modification by an ultrashort-pulsed laser and chemical etching of the modified volume.
Jonghyeok Kim   +4 more
doaj   +1 more source

Convolution Neural Network with Laser-Induced Breakdown Spectroscopy as a Monitoring Tool for Laser Cleaning Process

open access: yesSensors, 2022
In this study, eight different painted stainless steel 304L specimens were laser-cleaned using different process parameters, such as laser power, scan speed, and the number of repetitions.
Soojin Choi, Changkyoo Park
doaj   +1 more source

Spectral Shaping for Pulse Quality Improvement in GHz-repetition-rate Electro-optic Comb Lasers [PDF]

open access: yes한국정밀공학회지
Lasers are widely used in precision metrology, defense, and micromachining. The rise of GHz burst processing has increased interest in high-repetition-rate laser sources.
Junyeong Sung   +7 more
doaj   +1 more source

Saturation studies of the E-beam sustained discharge atomic xenon laser [PDF]

open access: yes, 1993
In an electron beam sustained discharge xenon laser the discharge energy deposition has been varied in order to investigate the saturation effect on the xenon laser.
Botma, H.   +2 more
core   +3 more sources

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