Results 41 to 50 of about 2,043 (264)

Is an Apple an Orange? A Large Language Model Benchmark for Candidate Term Extraction and Subclass Decisions Against Upper Ontologies in Engineering and Materials Science

Advanced Engineering Materials, EarlyView.
Building machine‐readable vocabularies for materials science is slow, expert‐driven work. This study benchmarks 13 large language models on two of its first steps: finding candidate terms in engineering articles and deciding where they belong in a class hierarchy.
Thomas Bjarsch, Maximilian Holland, Klaus Drechsler, Johannes Schilp   +3 more
wiley   +1 more source

Compact supercontinuum source for the visible using gain-switched Ti:Sapphire laser as pump [PDF]

Journal of the European Optical Society-Rapid Publications, 2006
We demonstrate the use of a miniature gain-switched Ti:Sapphire laser for efficient generation of visible supercontinuum light in a highly nonlinear microstructured optical fiber.
Räikkönen E., Kaivola M., Buchter S. C.   +2 more
doaj   +1 more source

Creep Properties and Deformation Mechanism of Additively Manufactured NiAl‐CrMo Composites

Advanced Engineering Materials, EarlyView.
Additively manufactured NiAl‐CrMo composites contain numerous interfaces and cell boundaries that control their creep response. At 700°C under high applied stress, creep is dominated by dislocation‐controlled power‐law mechanisms. At 800°C–900°C and lower stresses, creep is primarily diffusion‐controlled along cell boundaries.
Jan Vollhüter, Andreas Bezold, Johan Westraadt, Katharina Fiegl, Subham Chattoraj, Benjamin Wahlmann, Carolin Körner, Michael Mills, Mathias Göken, Steffen Neumeier   +9 more
wiley   +1 more source

Research of parameters of fusion splices of telecommunication multimode optical fibers and silica microstructured fiber lightguides with hexagonal configuration

Научно-технический вестник информационных технологий, механики и оптики
This work presents the results of experimental approbation of the ability to fuse telecommunication graded index multimode optical fibers of ISO/IEC Category OM2+/OM3 and silica microstructured optical fibers by using a commercially available field ...
A. V. Bourdine, V. G. Nesterov, M. A. Orlov, A. S. Evtushenko, S. S. Pashin, E. S. Zaitseva, A. A. Belyaev, D. N. Shurupov, V. V. Demidov, E. V. Ter-Nersesyants, K. V. Dukelskii, G. S. Polishchuk   +11 more
doaj   +1 more source

High bandwidth performance of multimode graded-index microstructured polymer optical fibers

Results in Physics, 2023
The investigation of the bandwidth in multimode graded-index microstructured polymer optical fiber (GI mPOF) with a solid core is proposed using a modal diffusion approach.
Svetislav Savović, Ana Simović, Branko Drljača, Milan S. Kovačević, Ljubica Kuzmanović, Miloš Ivanović, Alexandar Djordjevich, Konstantions Aidinis, Daniele Tosi, Rui Min   +9 more
doaj   +1 more source

Confinement losses in microstructured optical fibers [PDF]

Optics Letters, 2001
We describe a multipole formulation that can be used for high-accuracy calculations of the full complex propagation constant of a microstructured optical fiber with a finite number of holes. We show how the imaginary part of the microstructure, which describes confinement losses not associated with absorption, varies with hole size, the number of rings
T P, White, R C, McPhedran, C M, de Sterke, L C, Botten, M J, Steel   +4 more
openaire   +2 more sources

Recycling of NiTi Shape Memory Alloys: Fundamental and Technological Aspects of a Vacuum Induction Melting Processing Route

Advanced Engineering Materials, EarlyView.
The present study investigates recycling of NiTi shape memory alloys via vacuum induction melting. An ingot was synthesized from elemental Ni and Ti and subjected to three subsequent remelting cycles. Remelting increases process durations and impurity levels and adversely affects microstructures and functional properties.
Sakia Sophia Noorzayee, Son Tung Mai, Sarath Menon, Braulio Gadiel Sánchez Ortega, Ralf Drautz, Alexander Kauffmann, Gunther Eggeler, Jan Frenzel   +7 more
wiley   +1 more source

PROCESS METHODS WITH LOW LEVEL OF OPTICAL LOSSES FOR THE MICROSTRUCTURED FIBER LIGHT GUIDES [PDF]

Научно-технический вестник информационных технологий, механики и оптики, 2014
The paper deals with results of the technology process development for the microstructured fiber light guides. Light guides with one or two cycles of the openings, processed by two-phase technology were created during carried out research. The use of two
A. G. Korobeynikov, Y. A. Gatchin, K. V. Dukelskiy, E. V. Ter-Nersesyantz   +3 more
doaj  

Hydrostatic Pressure Sensing with High Birefringence Photonic Crystal Fibers

Sensors, 2010
The effect of hydrostatic pressure on the waveguiding properties of high birefringence photonic crystal fibers (HiBi PCF) is evaluated both numerically and experimentally.
Roberth W. A. Llerena, Vinícius V. Silva, Isabel C. S. Carvalho, Arthur M.B. Braga, Cicero Martelli, Sully M. M. Quintero, Fernando C. Fávero, Luiz C. G. Valente   +7 more
doaj   +1 more source

Fabrication Quality Assessment Based on the Coupling of a Dual-Core Microstructured Polymer Optical Fiber

Sensors, 2021
In this paper we report on the theoretical analysis and fabrication of a dual-core microstructured polymer optical fiber (mPOF) and demonstrate how the coupling characteristics of a dual-core mPOF may be a key factor to assess the quality of the ...
Amaia Berganza, Eneko Arrospide, Josu Amorebieta, Joseba Zubia, Gaizka Durana   +4 more
doaj   +1 more source