Articles with "light output" as a keyword



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A method for measuring the light output of video advertising reproduced by LED billboards

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Published in 2019 at "Measurement"

DOI: 10.1016/j.measurement.2019.02.021

Abstract: Abstract Improving knowledge of the light output of digital billboards is important to better assess their effect on driver distraction when they are installed along roads. In this work the emission of an LED based… read more here.

Keywords: video; advertising; luminance; method measuring ... See more keywords
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Using agglomerated Ag grid to improve the light output of near ultraviolet AlGaN-based light-emitting diode

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Published in 2017 at "Microelectronic Engineering"

DOI: 10.1016/j.mee.2016.11.015

Abstract: In this study, we introduced mesh-patterned Ag grid (width: 1520m) to enhance the light output power of near ultraviolet (385nm) AlGaN-based light emitting diode (LEDs). The Ag grid was intentionally agglomerated by annealing at 500C… read more here.

Keywords: light output; algan based; agglomerated grid; output ... See more keywords
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Fabrication, optical and scintillation properties of (Lu0.75,Y0.25)AG:Pr ceramic scintillators

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Published in 2017 at "Optical Materials"

DOI: 10.1016/j.optmat.2017.04.043

Abstract: Abstract Y 3+ admixing Lu 3 Al 5 O 12 :Pr ceramics are fabricated successfully by the solid state reaction method and further optimized by an air-annealing process. Optical absorption, photoluminescence spectra and scintillation properties… read more here.

Keywords: light output; ceramic scintillators; optical scintillation; scintillation properties ... See more keywords
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Simulation of scintillation light output in LYSO scintillators through a full factorial design.

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Published in 2017 at "Physics in medicine and biology"

DOI: 10.1088/1361-6560/62/2/669

Abstract: Individually coupled scintillation detectors used in positron emission tomography (PET) imaging suffer from important signal losses due to the suboptimal light collection from crystals. As only a fraction of the light is generally extracted from… read more here.

Keywords: light output; factorial design; scintillation;
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Cesium hafnium chloride scintillator coupled with an avalanche photodiode photodetector

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Published in 2017 at "Journal of Instrumentation"

DOI: 10.1088/1748-0221/12/02/c02042

Abstract: Optical and scintillation properties of pure Cs2HfCl6 (CHC) single crystals were investigated. In particular, light output and energy resolution were measured using a Si avalanche photodiode (Si-APD), since the Si-APD has sufficient quantum efficiency of… read more here.

Keywords: avalanche photodiode; cesium hafnium; light output;
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Spatial resolution and light output of pixelated CsI(Tl) scintillation screen based on oxidized silicon micropore array template

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Published in 2018 at "Journal of Instrumentation"

DOI: 10.1088/1748-0221/13/07/p07002

Abstract: The effect of pixel size of CsI(Tl) scintillation screen based on oxidized silicon micropore array template on spatial resolution and light output in X-ray imaging was investigated by using Geant4 Monte Carlo simulation code. The… read more here.

Keywords: resolution; light output; scintillation screen; spatial resolution ... See more keywords
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Comparative scintillation performance of EJ-309, EJ-276, and a novel organic glass

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Published in 2020 at "Journal of Instrumentation"

DOI: 10.1088/1748-0221/15/11/p11020

Abstract: An organic glass scintillator developed by Sandia National Laboratories was characterized in terms of its light output and pulse shape discrimination (PSD) properties and compared to commercial liquid (EJ-309) and plastic (EJ-276) organic scintillators. The… read more here.

Keywords: 309 276; performance; organic glass; light output ... See more keywords
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Light outputs of yttrium doped BaF_2 crystals irradiated with neutrons

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Published in 2022 at "Journal of Instrumentation"

DOI: 10.1088/1748-0221/17/01/p01036

Abstract: The fast luminescence component of barium fluoride (BaF_2) crystals with a subnanosecond decay time can find wide application in particle physics and nuclear physics. However, the slow luminescence component with the 630 ns decay time… read more here.

Keywords: baf crystals; light output; yttrium doped; irradiation ... See more keywords
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Improving Optical Performance of NUV-LEDs by Highly Reflective BN/Silicone Structures

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Published in 2020 at "IEEE Photonics Technology Letters"

DOI: 10.1109/lpt.2020.3024765

Abstract: Near-ultraviolet light-emitting diodes (NUV-LEDs) are more likely to be commercially fabricated. The improvement of their wall-plug efficiency (WPE) by facial and effective methods has made a great impact. We propose a highly reflective boron nitride… read more here.

Keywords: improving optical; output power; highly reflective; silicone ... See more keywords
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Improved light output from thick β-Ga2O3 scintillation crystals via graded-refractive-index photonic crystals.

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Published in 2021 at "Optics express"

DOI: 10.1364/oe.428671

Abstract: β-Ga2O3 is a promising candidate as a fast scintillation crystal for radiation detection in fast X-ray imaging and high-energy physics experiments. However, total internal reflection severely limits its light output. Conventional photonic crystals can improve… read more here.

Keywords: photonic crystals; refractive index; graded refractive; light output ... See more keywords
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Temporal characteristics of the light output from optical fibers with PRBS-modulated laser injection.

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Published in 2022 at "Optics express"

DOI: 10.1364/oe.467702

Abstract: Pseudo-random binary sequence (PRBS) phase modulation is an effective method to promote the stimulated Brillouin scattering (SBS) threshold of high-power narrow linewidth fiber lasers. Most studies focus on the subjects of PRBS pattern selection, filter… read more here.

Keywords: laser; characteristics light; output; output optical ... See more keywords