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Optical phantoms with adjustable subdiffusive scattering parameters.

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Title: Optical phantoms with adjustable subdiffusive scattering parameters.
Authors: Krauter, Philipp1 philipp.krauter@ilm-ulm.de, Nothelfer, Steffen1, Bodenschatz, Nico1, Simon, Emanuel1, Stocker, Sabrina1, Foschum, Florian Foschum1, Kienle, Alwin1
Source: Journal of Biomedical Optics. Oct2015, Vol. 20 Issue 10, p105008-1-105008-10. 10p.
Subjects: Imaging phantoms, Scattering potentials, Intrinsic factor (Physiology), Fluorescence, Refractive index
Abstract: A new epoxy-resin-based optical phantom system with adjustable subdiffusive scattering parameters is presented along with measurements of the intrinsic absorption, scattering, fluorescence, and refractive index of the matrix material. Both an aluminium oxide powder and a titanium dioxide dispersion were used as scattering agents and we present measurements of their scattering and reduced scattering coefficients. A method is theoretically described for a mixture of both scattering agents to obtain continuously adjustable anisotropy values g between 0.65 and 0.9 and values of the phase function parameter γ in the range of 1.4 to 2.2. Furthermore, we show absorption spectra for a set of pigments that can be added to achieve particular absorption characteristics. By additional analysis of the aging, a fully characterized phantom system is obtained with the novelty of g and γ parameter adjustment. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Biomedical Optics is the property of SPIE - International Society of Optical Engineering and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
FullText Text:
  Availability: 0
Header DbId: egs
DbLabel: Engineering Source
An: 111431264
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
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  Data: Optical phantoms with adjustable subdiffusive scattering parameters.
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Biomedical+Optics%22">Journal of Biomedical Optics</searchLink>. Oct2015, Vol. 20 Issue 10, p105008-1-105008-10. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Imaging+phantoms%22">Imaging phantoms</searchLink><br /><searchLink fieldCode="DE" term="%22Scattering+potentials%22">Scattering potentials</searchLink><br /><searchLink fieldCode="DE" term="%22Intrinsic+factor+%28Physiology%29%22">Intrinsic factor (Physiology)</searchLink><br /><searchLink fieldCode="DE" term="%22Fluorescence%22">Fluorescence</searchLink><br /><searchLink fieldCode="DE" term="%22Refractive+index%22">Refractive index</searchLink>
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  Data: A new epoxy-resin-based optical phantom system with adjustable subdiffusive scattering parameters is presented along with measurements of the intrinsic absorption, scattering, fluorescence, and refractive index of the matrix material. Both an aluminium oxide powder and a titanium dioxide dispersion were used as scattering agents and we present measurements of their scattering and reduced scattering coefficients. A method is theoretically described for a mixture of both scattering agents to obtain continuously adjustable anisotropy values g between 0.65 and 0.9 and values of the phase function parameter γ in the range of 1.4 to 2.2. Furthermore, we show absorption spectra for a set of pigments that can be added to achieve particular absorption characteristics. By additional analysis of the aging, a fully characterized phantom system is obtained with the novelty of g and γ parameter adjustment. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Biomedical Optics is the property of SPIE - International Society of Optical Engineering and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=111431264
RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1117/1.JBO.20.10.105008
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      – Code: eng
        Text: English
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        Type: general
      – SubjectFull: Scattering potentials
        Type: general
      – SubjectFull: Intrinsic factor (Physiology)
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      – SubjectFull: Fluorescence
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      – SubjectFull: Refractive index
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      – TitleFull: Optical phantoms with adjustable subdiffusive scattering parameters.
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              Text: Oct2015
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              Y: 2015
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