Results 61 to 70 of about 1,957,261 (172)

A Fully‐Connected Chip‐Integrated Reconfigurable Mode‐Pairing Quantum Key Distribution Network

open access: yesLaser &Photonics Reviews, EarlyView.
This work constructs a fully connected reconfigurable chip‐integrated quantum key distribution network via the mode‐pairing protocol. Hybrid ECL and WSS chips cut wavelength and port overhead, realizing arbitrary‐user key sharing with merely two wavelengths.
Xiao‐Lei Jiang   +14 more
wiley   +1 more source

Dissimilar Welding and Joining of Cemented Carbides

open access: yesMetals, 2019
Cemented carbides have been widely used in aerospace, biomedical/wearable sensor, automobile, microelectronic, and other manufacturing industries owing to their superior physical and chemical properties at elevated temperatures. These superior properties,
Binghui Ma   +5 more
doaj   +1 more source

Transcending the Space‐Bandwidth and Lighting Trade‐Offs: A Programmable Self‐Mixing Interferometry Imager for Cross‐Scale Surface Inspection

open access: yesLaser &Photonics Reviews, EarlyView.
This work reports a laser diode‐based self‐mixing interferometry imager featuring illumination‐invariance imaging, a 500 kHz pixel rate, and an 8.77 µm lateral resolution. It also features a programmable field‐of‐view and leading space‐bandwidth product that surpasses existing technologies by an order of magnitude, enabling cross‐scale workflow ...
Zhou Su   +5 more
wiley   +1 more source

Ring Beam Modulation-Assisted Laser Welding on Dissimilar Materials for Automotive Battery

open access: yesJournal of Manufacturing and Materials Processing
This paper investigates Ring Beam Modulation-assisted Laser (RBML) welding as a novel approach for joining dissimilar materials, specifically aluminum and copper, which are essential in high-performance applications such as electric vehicle batteries and
Se-Hoon Choi   +2 more
doaj   +1 more source

Direct Measurement of Explosive Impulse From Contact to the Ultra‐Near Field

open access: yesPropellants, Explosives, Pyrotechnics, EarlyView.
ABSTRACT Measurement of impulse from explosive charges in contact and ultra‐near‐field regimes remains poorly characterised due to the short duration of loading, high strain rates, and the difficulty of obtaining direct momentum‐based measurements.
R. Alford   +3 more
wiley   +1 more source

Research on Hybrid Blue Diode-Fiber Laser Welding Process of T2 Copper

open access: yesMetals
This research proposes a non-penetration lap welding process for joining T2 copper power module terminals in high-frequency and high-power electronic applications, using a hybrid laser system combining a 445 nm blue diode laser and a 1080 nm fiber laser.
Xiangkuan Wu   +7 more
doaj   +1 more source

Innovations in Printed Transparent Conducting Electrodes for Advanced Next‐Generation Electronics: A Comprehensive Review

open access: yesSmall, EarlyView.
This review highlights advances in transparent conducting electrodes for flexible wearable electronics, analyzing their optical, electrical, and mechanical properties and their prospects for sustainable, next‐generation energy devices. ABSTRACT The emergence of wearable electronics has revolutionized photophysical and electrochemical, enabling ...
Vinayak Vitthal Satale   +6 more
wiley   +1 more source

On‐Demand Deconstructable Thermosets Through Cleavable Comonomer and Thermolatent Base Synergy

open access: yesAngewandte Chemie, Volume 138, Issue 41, 5 October 2026.
Thermosets, valued for their chemical and mechanical properties, resist recycling due to their cross‐linked structure. Weak bonds via comonomers enable degradability, but diffusion limits effectiveness. We incorporate thermolatent bases before polymerization (thermal or 3D‐VAT printing).
Sophia Kouider   +15 more
wiley   +2 more sources

Role of 1D and 2D Materials in Achieving Transparent and Flexible Lithium‐Ion Batteries for Wearable Electronics

open access: yesSmall, EarlyView.
Hybrid 1D–2D architectures redefine material design strategies for TFLIBs by decoupling competing performance parameters. This approach accelerates the transition of TFLIBs from proof of concept to practical wearable technologies. ABSTRACT Transparent and flexible lithium‐ion batteries (TFLIBs), enabled by advanced nanomaterials and flexible ...
Raviraj Madesan, Anand Sreekantan Thampy
wiley   +1 more source

Optimization of the solidification conditions by means of beam oscillation during laser beam welding of aluminum

open access: yesMaterials & Design, 2018
Aluminum (AA6016) sheets were welded in overlap configuration to investigate the influence of different beam oscillation patterns on the resulting temperature gradient, the local solidification rate and the resulting grain structure and to compare the ...
Christian Hagenlocher   +4 more
doaj   +1 more source

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