Articles with "integrating sphere" as a keyword



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Effects of optical variables in a single integrating sphere system on estimation of scattering properties of turbid media

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Published in 2020 at "Biosystems Engineering"

DOI: 10.1016/j.biosystemseng.2020.03.012

Abstract: This research was aimed at determining the effect of optical variables for a single integrating sphere system, coupled with the inverse adding-doubling method, on estimating the reduced scattering coefficient ( μ s ′ ) of… read more here.

Keywords: single integrating; system; integrating sphere; sphere system ... See more keywords
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Biomedical Applications of Integrating Sphere: A Review.

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Published in 2020 at "Photodiagnosis and photodynamic therapy"

DOI: 10.1016/j.pdpdt.2020.101712

Abstract: Integrating sphere remains a valuable tool for biomedical optics research. Specifically, it has been used to determine the optical properties (i.e., absorption coefficient, scattering coefficient and anisotropy factor) of biological tissues. This study presents an… read more here.

Keywords: sphere review; integrating sphere; optical properties; optics ... See more keywords

Integrating-Sphere-Assisted Resonance Synchronous Spectroscopy for the Quantification of Material Double-Beam UV-Vis Absorption and Scattering Extinction.

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Published in 2022 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.2c02037

Abstract: Integrating spheres (IS) have been used extensively for the characterization of light absorption in turbid samples. However, converting the IS-based sample absorption coefficient to the UV-vis absorbance quantified with a double-beam UV-vis spectrophotometer is challenging.… read more here.

Keywords: spectroscopy; integrating sphere; beam vis; double beam ... See more keywords

Interlaboratory Comparison on Absolute Photoluminescence Quantum Yield Measurements of Solid Light Converting Phosphors with Three Commercial Integrating Sphere Setups

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Published in 2024 at "Analytical Chemistry"

DOI: 10.1021/acs.analchem.4c00372

Abstract: Scattering luminescent materials dispersed in liquid and solid matrices and luminescent powders are increasingly relevant for fundamental research and industry. Examples are luminescent nano- and microparticles and phosphors of different compositions in various matrices or… read more here.

Keywords: interlaboratory comparison; sphere setups; photoluminescence; geometry ... See more keywords

Building an integrating sphere from stainless steel cooking bowl

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Published in 2025 at "Journal of Instrumentation"

DOI: 10.1088/1748-0221/20/07/p07022

Abstract: The integrating sphere seems to be a straightforward device, but constructing it is difficult because of sphere design and the type of coating material used on its inner surface. Only a handful of manufacturers worldwide… read more here.

Keywords: steel cooking; sphere stainless; building integrating; integrating sphere ... See more keywords

Alternative Measurement Configurations for Extracting Bulk Optical Properties Using an Integrating Sphere Setup

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Published in 2017 at "Applied Spectroscopy"

DOI: 10.1177/0003702816665124

Abstract: The usual approach for estimating bulk optical properties using an integrating sphere measurement setup is by acquiring spectra from three measurement modes namely collimated transmittance (Tc), total transmittance (Td), and total diffuse reflectance (Rd), followed… read more here.

Keywords: integrating sphere; optical properties; properties using; reflectance ... See more keywords
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Precise determination of the optical properties of turbid media using an optimized integrating sphere and advanced Monte Carlo simulations. Part 1: theory.

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Published in 2020 at "Applied optics"

DOI: 10.1364/ao.386011

Abstract: In this paper, we describe a method used to determine the optical properties, namely, the effective scattering and absorption coefficients, employing an optimized three-dimensional-printed single integrating sphere. The paper consists of two parts, and in… read more here.

Keywords: precise determination; part; integrating sphere; optical properties ... See more keywords

Continuous linearity evaluation of photodetectors using a cascaded integrating-sphere system

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Published in 2025 at "Optics Express"

DOI: 10.1364/oe.575558

Abstract: Traditional nonlinearity measurements are limited by the detector's dynamic range, especially at extremely low light levels. We present a cascaded integrating-sphere system combined with an aperture tube, enabling continuous optical attenuation over more than six… read more here.

Keywords: system; cascaded integrating; continuous linearity; integrating sphere ... See more keywords

Probing natural gas components with Raman integrating sphere technology.

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Published in 2022 at "Optics letters"

DOI: 10.1364/ol.474494

Abstract: Raman spectroscopy is a powerful method of probing natural gas components, but higher sensitivity, greater miniaturization, and lower cost techniques are required. Therefore, we designed a Raman integrating sphere-enhanced spectroscopy technology in a volume of… read more here.

Keywords: gas; technology; natural gas; raman integrating ... See more keywords

Power output from 12 brands of contemporary LED light-curing units measured using 2 brands of radiometers

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Published in 2022 at "PLoS ONE"

DOI: 10.1371/journal.pone.0267359

Abstract: Background Given the increasing use of photo-activated resins in dentistry, dentists and researchers need a user-friendly dental radiometer to measure the power output from dental light-curing units (LCUs). Objective Our goal was to measure the… read more here.

Keywords: curing units; power output; power; light curing ... See more keywords