Results 231 to 240 of about 98,472 (317)

Properties, mechanisms, and perspectives of ultrafast laser modifications in silicate glass volume

open access: yesInternational Journal of Applied Glass Science, EarlyView.
Abstract Ultrafast laser irradiation of glass enables highly localized structural transformations within the material's bulk, unlocking diverse applications in photonics, data storage, and microfabrication. Here, we provide a concise yet comprehensive overview of the main types of femtosecond laser‐induced modifications in silica‐based glasses (Types I,
Nadezhda Shchedrina   +3 more
wiley   +1 more source

Detecting charge transfer at defects in 2D materials with electron ptychography

open access: yesJournal of Microscopy, EarlyView.
Abstract Electronic charge transfer at the atomic scale can reveal fundamental information about chemical bonding, but is far more challenging to directly image than the atomic structure. The charge density is dominated by the atomic nuclei, with bonding causing only a small perturbation. Thus detecting any change due to bonding requires a higher level
Christoph Hofer   +3 more
wiley   +1 more source

Ultra-stable and high-performance squeezed vacuum source enabled via artificial intelligence control. [PDF]

open access: yesSci Adv
Zhao J   +8 more
europepmc   +1 more source

Modal identification of wind turbine tower based on optimal fractional order statistical moments

open access: yesComputer-Aided Civil and Infrastructure Engineering, Volume 40, Issue 13, Page 1754-1768, 19 May 2025.
Abstract In vibration testing of civil engineering structures, the first two vibration modes are crucial in representing the global dynamic behavior of the structure measured. In the present study, a comprehensive method is proposed to identify the first two vibration modes of wind turbine towers, which is based on the analysis of fractional order ...
Yang Yang   +4 more
wiley   +1 more source

Expanding sparse point deflection measurements to spatially continuous data via optical fiber sensors in long‐span suspension bridges

open access: yesComputer-Aided Civil and Infrastructure Engineering, EarlyView.
Abstract In structural health monitoring, only the deflection of key sections of the bridge can be monitored; the spatial continuous deflection of the main girder cannot be identified. To solve this problem, a method for expanding sparse point deflection measurements to spatially continuous data via optical fiber sensors in long‐span suspension bridges
Qianen Xu, Xinteng Ma, Yang Liu
wiley   +1 more source

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