Results 111 to 120 of about 1,473,983 (338)

Recent Advancements in Bulk Processing of Rare‐Earth‐Free Hard Magnetic Materials and Related Multiscale Simulations

open access: yesAdvanced Engineering Materials, EarlyView.
This article provides an overview of recent advancements in bulk processing of rare‐earth‐free hard magnetic materials. It also addresses related simulation approaches at different scales. The research on rare‐earth‐free magnetic materials has increased significantly in recent years, driven by supply chain issues, environmental and social concerns, and
Daniel Scheiber, Andrea Bachmaier
wiley   +1 more source

Single-shot observation of optical rogue waves in integrable turbulence using time microscopy

open access: yesNature Communications, 2016
A rogue wave is an unexpected oscillation of large amplitude and is an example of the spontaneous formation of a coherent structure out of disorder. Here, the authors develop an experimental strategy that can provide snapshots in time and thus record the
Pierre Suret   +6 more
doaj   +1 more source

Versatile Dye Laser Generator-Amplifier System for Intense Tunable Picosecond Pulse Generation [PDF]

open access: yes, 1986
. Passively mode-locked ruby-laser pulses are used to generate nearly diffraction-limited picosecond light pulses in a dye cell by longitudinally amplified spontaneous emission.
Penzkofer, Alfons   +2 more
core  

Challenges during Flash Lamp Annealing of Aerosol‐Deposited Barium Titanate Films

open access: yesAdvanced Engineering Materials, EarlyView.
Aerosol deposition is used to rapidly deposit barium titanate films with thicknesses ranging from 2 to 16 μm at room temperature, eliminating the need for further densification. However, to recover the electromechanical properties, annealing is required, which limits the usage of temperature‐sensitive substrates.
Michel Kuhfuß   +7 more
wiley   +1 more source

Analog, Digital And Short Pulse Modulation Of Ultrafast Gallium Aluminum Arsenide Semiconductor Lasers [PDF]

open access: yes, 1985
Semiconductor lasers are potentially devices of great importance for optical transmission as well as short pulse generation for various sampling, characteration and dispersion measurements.
Lau, K. Y., Yariv, A.
core  

Observation of polarization domain wall solitons in weakly birefringent cavity fiber lasers

open access: yes, 2009
We report on the experimental observation of two types of phase-locked vector soliton in weakly birefringent cavity erbium-doped fiber lasers. While a phase-locked dark-dark vector soliton was only observed in fiber lasers of positive dispersion, a phase-
D. Y. Tang   +5 more
core   +1 more source

A novel laser powder bed fusion Al-Fe-Zr alloy for superior strength-conductivity trade-off

open access: green, 2022
Camille Pauzon   +5 more
openalex   +2 more sources

A Workflow to Accelerate Microstructure‐Sensitive Fatigue Life Predictions

open access: yesAdvanced Engineering Materials, EarlyView.
This study introduces a workflow to accelerate predictions of microstructure‐sensitive fatigue life. Results from frameworks with varying levels of simplification are benchmarked against published reference results. The analysis reveals a trade‐off between accuracy and model complexity, offering researchers a practical guide for selecting the optimal ...
Luca Loiodice   +2 more
wiley   +1 more source

Tungsten Molecular Species in Deuterium Plasmas in Contact with Sputtered W Surfaces

open access: yesMolecules
We show that in plasmas generated in deuterium in the presence of sputtered W surfaces, various molecular tungsten species are formed, whose chemical composition depends on the presence of gaseous impurities, namely, nitrogen, oxygen, and hydrogen.
Gheorghe Dinescu   +5 more
doaj   +1 more source

Random lasing actions in self-assembled perovskite nanoparticles

open access: yes, 2015
Solution-based perovskite nanoparticles have been intensively studied in past few years due to their applications in both photovoltaic and optoelectronic devices.
Gu, Zhiyuan   +6 more
core   +1 more source

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