Articles with "spectral irradiance" as a keyword



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The MAVEN EUVM model of solar spectral irradiance variability at Mars: Algorithms and results

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Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2016ja023512

Abstract: Solar extreme ultraviolet (EUV) radiation is a primary energy input to the Mars atmosphere, causing ionization and driving photochemical processes above approximately 100 km. Because solar EUV radiation varies with wavelength and time, measurements must be… read more here.

Keywords: irradiance; model; fism; irradiance variability ... See more keywords
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Can Measurements of the Near‐Infrared Solar Spectral Irradiance be Reconciled? A New Ground‐Based Assessment Between 4,000 and 10,000 cm−1

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Published in 2017 at "Geophysical Research Letters"

DOI: 10.1002/2017gl073902

Abstract: The near-infrared solar spectral irradiance (SSI) is of vital importance for understanding the Earth's radiation budget, and in Earth observation applications. Differences between previously published solar spectra (including the commonly used ATLAS3 spectrum) reach up… read more here.

Keywords: irradiance; infrared solar; near infrared; spectral irradiance ... See more keywords
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Revision of the Sun’s Spectral Irradiance as Measured by SORCE SIM

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Published in 2018 at "Solar Physics"

DOI: 10.1007/s11207-018-1379-1

Abstract: The Spectral Irradiance Monitor (SIM) instrument on board the Solar Radiation and Climate Experiment (SORCE) performs daily measurements of the solar spectral irradiance (SSI) from 200 to 2400 nm. Both temporal and spectral corrections for instrument… read more here.

Keywords: irradiance; sun spectral; revision sun; irradiance measured ... See more keywords
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Air-LUSI: Development of a pointing and tracking control system for lunar spectral measurements

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Published in 2020 at "Acta Astronautica"

DOI: 10.1016/j.actaastro.2020.07.004

Abstract: Abstract The airborne lunar spectral irradiance mission is an inter-agency partnership between the US National Aeronautics and Space Administration and the US National Institute of Standards and Technology that aims to make SI-traceable measurements of… read more here.

Keywords: control system; spectral irradiance; air lusi; lunar spectral ... See more keywords
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Realization of spectral irradiance responsivity at NIS-Egypt

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Published in 2018 at "Optik"

DOI: 10.1016/j.ijleo.2018.04.094

Abstract: Abstract Realization of the absolute spectral irradiance responsivity of photodetectors in A/W/cm2 is a fundamental requirement for many photometric, radiometric and colorimetric applications. This work aimed to develop a standardized radiometric setup for realizing the… read more here.

Keywords: irradiance responsivity; spectral irradiance; nis egypt; realization ... See more keywords
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SOLAR-v: A new solar spectral irradiance dataset based on SOLAR/SOLSPEC observations during solar cycle 24

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Published in 2020 at "Astronomy and Astrophysics"

DOI: 10.1051/0004-6361/202038422

Abstract: Context. Solar spectral irradiance (SSI) is the wavelength-dependent energy input to the top of the Earth’s atmosphere. Solar ultraviolet (UV) irradiance represents the primary forcing mechanism for the photochemistry, heating, and dynamics of the Earth’s… read more here.

Keywords: irradiance; solar solspec; cycle; spectral irradiance ... See more keywords
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Spectral irradiance of singly and doubly ionized zinc in low-intensity laser-plasma ultraviolet light sources

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Published in 2017 at "Journal of Applied Physics"

DOI: 10.1063/1.4973848

Abstract: The absolute spectral irradiances of laser-plasmas produced from planar zinc targets are determined over a wavelength region of 150 to 250 nm. Strong spectral radiation is generated using 60 ns full-width-at-half-maximum, 1.0 μm wavelength laser pulses with incident… read more here.

Keywords: laser; doubly ionized; ionized zinc; zinc ... See more keywords

Global spectral irradiance array spectroradiometer validation according to WMO

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Published in 2018 at "Measurement Science and Technology"

DOI: 10.1088/1361-6501/aada34

Abstract: Solar spectral irradiance measured by two recently developed array spectroradiometers (called UV-BTS and VIS-BTS) are compared to the results of a scanning double monochromator system which is certified as a travelling reference instrument by the… read more here.

Keywords: irradiance; vis bts; global spectral; array spectroradiometer ... See more keywords
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Opto-mechanical design and calibration of a hyperspectral irradiance monitor.

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Published in 2021 at "Applied optics"

DOI: 10.1364/ao.415218

Abstract: A hyperspectral irradiance monitor (HIM) is designed to measure the direct solar spectral irradiance on the ground, which can be used for research on climate change and vicarious calibration. The spectrometer uses a Féry prism… read more here.

Keywords: calibration; irradiance; hyperspectral irradiance; irradiance monitor ... See more keywords
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Intercomparison of indoor and outdoor spectral irradiance measurements between INTI and INMETRO.

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Published in 2021 at "Applied optics"

DOI: 10.1364/ao.424424

Abstract: We report methodology and results for indoor and outdoor intercomparison of spectral irradiance measurements by Argentinian and Brazilian national metrology institutes traced to metrological standards following independent traceability chains. A group of standard lamps, measured… read more here.

Keywords: irradiance measurements; irradiance; indoor outdoor; outdoor spectral ... See more keywords
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Field Quality Control of Spectral Solar Irradiance Measurements by Comparison with Broadband Measurements

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Published in 2021 at "Sustainability"

DOI: 10.3390/su131910585

Abstract: Measurement of solar spectral irradiance is required in an increasingly wide variety of technical applications, such as atmospheric studies, health, and solar energy, among others. The solar spectral irradiance at ground level has a strong… read more here.

Keywords: irradiance; methodology; solar irradiance; irradiance measurements ... See more keywords