Results 91 to 100 of about 2,859,854 (215)

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

open access: yesAdvanced 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   +3 more
wiley   +1 more source

Tailoring Laser Propulsion for Future Applications in Space [PDF]

open access: yes, 2010
Pulsed laser propulsion may turn out as a low cost alternative for the transportation of small payloads in future. In recent years DLR investigated this technology with the goal of cheaply launching small satellites into low earth orbit (LEO) with ...
Eckel, Hans-Albert, Scharring, Stefan
core   +1 more source

Comparative analysis of light storage in antirelaxation-coated and buffer-gas-filled alkali vapor cells

open access: yesScientific Reports
We explore light storage in antirelaxation-coated and buffer-gas-filled alkali vapor cells, employing electromagnetically induced transparency (EIT) in warm rubidium vapor.
M. Đujić   +4 more
doaj   +1 more source

Laser-direct-drive program: Promise, challenge, and path forward

open access: yesMatter and Radiation at Extremes, 2017
Along with laser-indirect (X-ray)-drive and magnetic-drive target concepts, laser direct drive is a viable approach to achieving ignition and gain with inertial confinement fusion.
E.M. Campbell   +35 more
doaj   +1 more source

Demonstration of bright x-ray sources from solid and foam TiO2 targets at the Shenguang-III prototype laser facility

open access: yesAIP Advances, 2020
Enhancement of x-ray sources from laser-produced plasmas is significant in wide-ranging applications. Solid and foam TiO2 targets were both used to generate bright x-ray sources at the Shenguang-III prototype laser facility, with a total laser power of 3.
Yunsong Dong   +14 more
doaj   +1 more source

Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying

open access: yesAdvanced Engineering Materials, EarlyView.
An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara   +8 more
wiley   +1 more source

High-energy pulses from a figure 8 fiber laser with normal net dispersion¹ [PDF]

open access: yes, 2009
In this paper we show numerically that high-energy pulses can be obtained with a figure-eight Erbium-doped fiber laser with large normal net dispersion, and in which an anomalous-dispersion Nonlinear Optical Loop Mirror (NOLM) is used as the effective ...
BALDEMAR IBARRA ESCAMILLA, EVGENY KUZIN
core  

Laser ice scaffolds modeling for tissue engineering [PDF]

open access: yes, 2005
Tissue engineering is one of the most exciting and rapidly growing areas in biomedical engineering that offers vast potential for changing traditional approaches to meeting many pharmaceutics and critical health care needs.
Meglinski, I. V.   +14 more
core   +1 more source

Low spatial frequency surface feature formation during femtosecond laser deep engraving: origins and mechanisms

open access: yesScientific Reports
In this study, we explore the formation of high-amplitude, low-spatial-frequency surface features - also commonly referred to as waviness - during laser deep engraving of dielectric materials.
Evaldas Kažukauskas   +4 more
doaj   +1 more source

A Review of Neural Network-Based Image Noise Processing Methods

open access: yesSensors
This review explores the current landscape of neural network-based methods for digital image noise processing. Digital cameras have become ubiquitous in fields like forensics and medical diagnostics, and image noise remains a critical factor for ensuring
Anton A. Volkov   +9 more
doaj   +1 more source

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