Results 11 to 20 of about 5,686,377 (385)

Superfast Line Spectral Estimation [PDF]

open access: yesIEEE Transactions on Signal Processing, 2018
16 pages, 7 figures, accepted for IEEE Transactions on Signal ...
Thomas Lundgaard Hansen   +2 more
semanticscholar   +7 more sources

Ultrasmall, Ultracompact and Ultrahigh Efficient InGaN Micro Light Emitting Diodes (μLEDs) with Narrow Spectral Line Width [PDF]

open access: yesACS Nano, 2020
Augmented reality and visual reality (AR and VR) microdisplays require micro light emitting diodes (μLEDs) with an ultrasmall dimension (≤5 μm), high external quantum efficiency (EQE), and narrow spectral line width.
J. Bai   +6 more
semanticscholar   +2 more sources

Triple Spectral Line Imaging of Whole-Body Human Skin: Equipment, Image Processing, and Clinical Data [PDF]

open access: yesSensors
Multispectral imaging can provide objective quantitative data on various clinical pathologies, e.g., abnormal content of bio-substances in human skin.
Janis Spigulis   +5 more
doaj   +2 more sources

Theory of Photoluminescence Spectral Line Shapes of Semiconductor Nanocrystals. [PDF]

open access: yesJournal of Physical Chemistry Letters, 2022
Single-molecule photoluminescence (PL) spectroscopy of semiconductor nanocrystals (NCs) reveals the nature of exciton-phonon interactions in NCs. Understanding the homogeneous spectral line shapes and their temperature dependence remains an open problem.
Kailai Lin   +5 more
semanticscholar   +1 more source

The APOGEE Data Release 16 Spectral Line List [PDF]

open access: yesAstronomical Journal, 2021
The updated H-band spectral-line list (from λ15000–17000) adopted by the Apache Point Observatory Galactic Evolution Experiment (APOGEE) for the SDSS-IV Data Release 16 (DR16) is presented in this work. The APOGEE line list is a combination of atomic and
V. Smith   +17 more
semanticscholar   +1 more source

SDSS-IV MaNGA: Modeling the Spectral Line-spread Function to Subpercent Accuracy [PDF]

open access: yesAstronomical Journal, 2020
The Sloan Digital Sky Survey IV Mapping Nearby Galaxies at APO (MaNGA) program has been operating from 2014 to 2020, and has now observed a sample of 9269 galaxies in the low redshift universe (z ∼ 0.05) with integral-field spectroscopy.
D. Law   +12 more
semanticscholar   +1 more source

Phase-space Spectral Line Deconfusion in Intensity Mapping [PDF]

open access: yesAstrophysical Journal, 2020
Line intensity mapping (LIM) is a promising tool to efficiently probe the three-dimensional large-scale structure by mapping the aggregate emission of a spectral line from all sources that trace the matter density field.
Yun-Ting Cheng, Tzu-Ching Chang, J. Bock
semanticscholar   +1 more source

Discrete time model of self-oscillations with spectral line widening

open access: yesФизика волновых процессов и радиотехнические системы, 2022
An algorithm for generating quasi-harmonic self-oscillations with a uniformly widened spectral line is presented. The algorithm is based on the equation of motion of the Thomson-type DT-oscillator, which introduced a random effect in the form of band ...
Valery V. Zaitsev   +2 more
doaj   +1 more source

All-Order Full-Coulomb Quantum Spectral Line-Shape Calculations.

open access: yesPhysical Review Letters, 2021
Understanding how atoms interact with hot dense matter is essential for astrophysical and laboratory plasmas. Interactions in high-density plasmas broaden spectral lines, providing a rare window into interactions that govern, for example, radiation ...
T. Gomez   +10 more
semanticscholar   +1 more source

Spectral Line VLBI Studies Using the ngEHT

open access: yesGalaxies, 2023
Spectroscopy in the mm/sub-mm wavelength range is a powerful tool to study the gaseous medium in various astrophysical environments. The next generation Event Horizon Telescope (ngEHT) equipped with a wide-bandwidth backend system has great potential for
Dong-Jin Kim, Vincent Fish
doaj   +1 more source

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