Results 111 to 120 of about 3,384,511 (380)
Subnano Te Cluster in Glass for Efficient Full‐Spectrum Conversion
Advanced Science, 2023 Broadband near‐infrared (NIR) photonic materials have wide applications. Although extensive studies on rare‐earth, transition‐metal, and even semiconductor‐activated materials have enabled the development of a rich NIR material pool, developing broadband
Quan Dong +7 more
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Low‐Activation Compositionally Complex Alloys for Advanced Nuclear Applications—A Review
Advanced Engineering Materials, EarlyView.Low‐activation compositionally complex alloys (LACCAs) are advanced metallic materials primarily composed of low‐activation elements, offering advantages such as rapid compliance with operational standards and safe recyclability. This review highlights their potential for extreme high‐temperature irradiation environments as structural materials for ...
Yangfan Wang +8 more
wiley +1 more source
High-power mid-infrared femtosecond fiber laser in the water vapor transmission window
, 2016 The recent demonstrations of ultrafast mid-infrared fiber lasers emitting sub-picosecond pulses at 2.8 μm have created an exciting potential for a range of applications including mid-infrared frequency combs and materials processing.
S. Antipov +3 more
semanticscholar +1 more source
Single-mode SOA-based 1kHz-linewidth dual-wavelength random fiber laser.
Optics Express, 2017 Narrow-linewidth multi-wavelength fiber lasers are of significant interests for fiber-optic sensors, spectroscopy, optical communications, and microwave generation.
Yanping Xu +3 more
semanticscholar +1 more source
Advanced Engineering Materials, Volume 27, Issue 14, July 2025.This article investigates optimal processing conditions for the laser‐based powder bed fusion of WE43. To limit the interaction with remaining oxygen, a 3 vol% hydrogen admixture to the inert gas is investigated. Furthermore, heat treatments are investigated in the range of 250–350 °C for 48 h.
Arvid Abel +9 more
wiley +1 more source
Spatiotemporal control of photochromic upconversion through interfacial energy transfer
Nature CommunicationsDynamic control of multi-photon upconversion with rich and tunable emission colors is stimulating extensive interest in both fundamental research and frontier applications of lanthanide based materials.
Long Yan +4 more
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Advanced Engineering Materials, EarlyView.Periodic submicron features are fabricated on 304 stainless steel using single and double femtosecond laser pulses. By adjusting polarization, fluence, and inter‐pulse delay, 1D and 2D nanostructures are formed. Enhanced hydrophobicity and dense surface‐enhanced Raman spectroscopy hotspots enable analyte detection down to 10−10 M with good ...
Balaji Baskar +3 more
wiley +1 more source
Manipulating energy migration in nanoparticles toward tunable photochromic upconversion
Nature CommunicationsSmart control of energy interactions plays a key role in manipulating upconversion dynamics and tuning emission colors for lanthanide-doped materials. However, quantifying the energy flux in particular energy migration in the representative sensitizer ...
Jinshu Huang +5 more
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Experimental study on the 500-W-level all-fiber amplifier operating near 980 nm
Results in Physics, 2021 In this paper, a 500-W-level all-fiber amplifier operating near 980 nm is demonstrated firstly, to the best of our knowledge. The amplifier is fabricated with a 105/250-μm core/cladding-diameter double-cladding Yb-doped fiber (DCYF).
Maoni Chen +6 more
doaj
Fundamentals of Fiber Lasers and Fiber Amplifiers [PDF]
, 2014 Introduction.- Optical properties and optical spectroscopy of rare-earth ions in solids.- Electron-phonon coupling in solids.- Phonon sidebands of optical transition in solids.- Optical center transitions: spontaneous and stimulated emission.- Rare-earth center in solids.- Homogeneous and inhomogeneous line broadening.- Spectroscopic parameters of ...
openaire +2 more sources