Results 71 to 80 of about 48,387 (242)
Advanced Optical Materials, EarlyView.Goos‐Hänchen shift (GHS) is a phenomenon in which an optical beam experiences a longitudinal displacement upon total internal reflection. In this work, we experimentally demonstrate an enhanced GHS in the wavelength domain using a helical fiber grating (HFG).
Zhang Meng +7 more
wiley +1 more source
State of the Art of Laser Hardening and Cladding [PDF]
, 2005 In this paper an overview is given about laser surface modification processes, which are developed especially with the aim of hardness improvement for an enhanced fatigue and wear behaviour.
Meijer, J., Partes, K., Vollertsen, F.
core +1 more source
Characterisation of slow light in a waveguide grating [PDF]
, 2006 A grating was defined in a silicon nitride waveguide, using a combination of both conventional lithography and laser interference lithography. The structure was optically characterized in the 1520 – 1560 nm wavelength range by combining transmission ...
Hoekstra, Hugo J.W.M. +2 more
core +4 more sources
Waveguide Photoactuators: Materials, Fabrication, and Applications
Advanced Robotics Research, EarlyView.Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi +4 more
wiley +1 more source
Research on microstructure of copper coatings on AlN ceramic surface by laser cladding and brazing
Materials Research Express, 2020 The preparation of Cu-based coatings on AlN ceramic surface was accomplished by laser cladding and brazing technology. The Cu-based coating was prepared by both copper powder and titanium powder on ceramic surface.
Jian Zhao +6 more
doaj +1 more source
Advanced Science, EarlyView.Fiber energy harvesters offer unprecedented flexibility and a unique capacity for integration into commercial textiles, overcoming the limitations of bulky and rigid conventional devices. This review summarizes recent advances in fiber‐based energy harvesting and provides strategic outlooks to accelerate technological progress in the field. ABSTRACT As
Hanhwi Jang +8 more
wiley +1 more source
Laser cladding technology for high entropy alloys: effect and applications
Materials Research ExpressA multi-component category of an alloy containing very specific properties revolutionized the area of material science and the present engineering era.
Om Prakash +5 more
doaj +1 more source
CrystalsProcess parameters directly affect the quality of laser cladding. In this study, magnetic field-assisted laser cladding experiments were carried out on the surface of 300 M ultra-high-strength steel by setting laser energy density, magnetic field ...
Long Jiang +4 more
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Cailiao gongcheng, 2018 Based on acoustoelastic theory, stress measurement of laser cladding coating with Rayleigh wave was investigated.The acoustoelastic formula for evaluation of stress in laser cladding coating was simplified by means of Taylor series expansion method ...
YAN Xiao-ling, CAO Yong, DONG Shi-yun
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Advanced Science, EarlyView.This review provides a comprehensive exploration of microstructure regulation strategies for multi‐principal element alloy‐based films and coatings, with a focus on the interplay between elemental composition, nanoscale architecture, heterostructures and interfacial engineering in tailoring their properties and functions. A systematic analysis of their
Jiaming Cao +4 more
wiley +1 more source