Supercontinuum-laser diffuse reflectance spectroscopy in conjunction with an extended Kubelka-Munk model-a methodology for determination of temperature-dependent quantum efficiency in highly scattering and fluorescent media

Temperature-dependent diffuse reflectance measurements on Cr-doped -alumina monoliths have been performed using supercontinuum-laser illumination and -laser heating. These measurements have been interpreted using an extended Kubelka-Munk (K-M) model describing diffuse-light propagation in highly sca...

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Published in:Applied optics (2004) 2019-04, Vol.58 (10), p.2438
Main Authors: Brupbacher, Michael C, Zhang, Dajie, Buchta, William M, Airola, Marc B, Brown, David M, Thomas, Michael E, Spicer, James B
Format: Article
Language:English
Subjects:
Aluminum oxide
Diffuse reflectance spectroscopy
Fluorescence
Laser beam heating
Lasers
Light
Nickel
Qualitative analysis
Quantum efficiency
Scattering
Spectrum analysis
Temperature dependence
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cited_by cdi_FETCH-LOGICAL-c384t-4ddb9400970fa4283969e7374aa6386849007535094e2cdce83481f1ee3e71343
cites cdi_FETCH-LOGICAL-c384t-4ddb9400970fa4283969e7374aa6386849007535094e2cdce83481f1ee3e71343
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container_issue 10
container_start_page 2438
container_title Applied optics (2004)
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creator Brupbacher, Michael C
Zhang, Dajie
Buchta, William M
Airola, Marc B
Brown, David M
Thomas, Michael E
Spicer, James B
description Temperature-dependent diffuse reflectance measurements on Cr-doped -alumina monoliths have been performed using supercontinuum-laser illumination and -laser heating. These measurements have been interpreted using an extended Kubelka-Munk (K-M) model describing diffuse-light propagation in highly scattering and fluorescent media to assess the temperature dependence of fluorescence quantum efficiency. Analysis of experimental results has provided a qualitative understanding of the temperature-dependent conditions for model applicability and also suggests methods for using supercontinuum-laser diffuse reflectance spectroscopy for detection of unknown fluorescent dopants.
doi_str_mv 10.1364/AO.58.002438
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source Optica Publishing Group (OPG)
subjects Aluminum oxide
Diffuse reflectance spectroscopy
Fluorescence
Laser beam heating
Lasers
Light
Nickel
Qualitative analysis
Quantum efficiency
Scattering
Spectrum analysis
Temperature dependence
title Supercontinuum-laser diffuse reflectance spectroscopy in conjunction with an extended Kubelka-Munk model-a methodology for determination of temperature-dependent quantum efficiency in highly scattering and fluorescent media
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