Results 91 to 100 of about 14,546 (292)

Compact Fourier‐Transform Spectrometer on Thin‐Film Lithium Niobate via Mode‐Circulating Modulation

open access: yesAdvanced Photonics Research
Fourier‐transform spectrometers (FTSs) based on electro‐optic modulation offer a promising route toward compact and low‐power on‐chip spectroscopy. However, their spectral resolution is typically constrained by the physical length of the modulation arm ...
Hao Yao   +7 more
doaj   +1 more source

Research progress of adulteration identification indexes for camellia seed oil

open access: yesShipin yu jixie
Camellia seed oil, valued for its nutritional and economic benefits, is frequently adulterated with lower-grade oils. Additionally, its quality is influenced by multiple factors, including cultivar, geographical origin, and extraction techniques.
ZHANG Xiaofei, PENG Xinyan
doaj   +1 more source

Mechanochemical Synthesis and Characterization of Nanostructured ErB4 and NdB4 Rare‐Earth Tetraborides

open access: yesAdvanced Engineering Materials, Volume 27, Issue 6, March 2025.
ErB4 and NdB4 nanostructured powders are produced by mechanochemical synthesis. 5 h mechanical alloying and 4 M HCl acid leaching are used in the production. ErB4 and NdB4 powders exhibit maximum magnetization of 0.4726 emu g−1 accompanied with an antiferromagnetic‐to‐paramagnetic phase transition at about TN = 18 K and 0.132 emu g−1 with a maximum at ...
Burçak Boztemur   +5 more
wiley   +1 more source

On the Lightweight Potential of Laser Additive Manufactured NiTi Triply Periodic Minimal Sheet Lattices

open access: yesAdvanced Engineering Materials, EarlyView.
This study explores the lightweight potential of laser additive‐manufactured NiTi triply periodic minimal surface sheet lattices. It systematically investigates the effects of relative density and unit cell size on surface quality, deformation recovery, compression behavior, and energy absorption.
Haoming Mo   +3 more
wiley   +1 more source

Planar-Waveguide Fourier-Transform Spectrometers for Space Exploration [PDF]

open access: yes, 2020
Optical spectroscopy is a powerful, fundamental analytical technique that is deployed across many domains of scientific research. Due to the widespread use of this technique, the development of novel methods and instruments for collecting and analyzing ...
Podmore, Hugh Dennis
core  

Applications of ultra-high resolution microcalorimeter gamma-ray spectrometry

open access: yesFrontiers in Nuclear Engineering
Ultra-high energy resolution microcalorimeter gamma-ray spectroscopy—with energy resolution 5 to 10 times better than observed in spectra obtained by commercial-off-the-shelf high purity germanium detectors—is an enabling technology for ultra-precise ...
Katherine A. Schreiber   +38 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

NMRlib: user-friendly pulse sequence tools for Bruker NMR spectrometers [PDF]

open access: yes, 2019
International audienceWe present NMRlib, a suite of jython-based tools designed for Bruker spectrometers (TopSpin versions 3.2-4.0) that allow easy setup, management, and exchange of NMR experiments.
Brutscher, Bernhard, Favier, Adrien
core   +1 more source

Snapshot computational spectroscopy enabled by deep learning

open access: yesNanophotonics
Spectroscopy is a technique that analyzes the interaction between matter and light as a function of wavelength. It is the most convenient method for obtaining qualitative and quantitative information about an unknown sample with reasonable accuracy ...
Zhang Haomin   +5 more
doaj   +1 more source

Integrated High-resolution Photonic Spectrometer

open access: yesProceedings of The 7th International Multidisciplinary Conference on Optofluidics 2017, 2017
An integrated high-resolution on-chip spectrometer is designed, fabricated and experimentally tested. A thermally tunable microring resonator is adopted to function as a tunable filter so as to retrieve the input spectrum. The robust integrated spectrometer is quite compact, low cost and CMOS-compatible.
Aiqun Liu   +3 more
openaire   +1 more source

Home - About - Disclaimer - Privacy