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Separating the scattering and absorption coefficients using the real and imaginary parts of the refractive index with low-coherence interferometry.

dc.contributor.author Robles, FE
dc.contributor.author Wax, A
dc.coverage.spatial United States
dc.date.accessioned 2011-06-21T17:27:42Z
dc.date.issued 2010-09-01
dc.identifier http://www.ncbi.nlm.nih.gov/pubmed/20808343
dc.identifier 205161
dc.identifier.uri http://hdl.handle.net/10161/4225
dc.description.abstract We present an analytical method that yields the real and imaginary parts of the refractive index (RI) from low-coherence interferometry measurements, leading to the separation of the scattering and absorption coefficients of turbid samples. The imaginary RI is measured using time-frequency analysis, with the real part obtained by analyzing the nonlinear phase induced by a sample. A derivation relating the real part of the RI to the nonlinear phase term of the signal is presented, along with measurements from scattering and nonscattering samples that exhibit absorption due to hemoglobin.
dc.language eng
dc.language.iso en_US
dc.relation.ispartof Opt Lett
dc.subject Absorption
dc.subject Interferometry
dc.subject Light
dc.subject Scattering, Radiation
dc.subject Time Factors
dc.title Separating the scattering and absorption coefficients using the real and imaginary parts of the refractive index with low-coherence interferometry.
dc.title.alternative
dc.type Journal article
dc.description.version Version of Record
duke.date.pubdate 2010-9-1
duke.description.issue 17
duke.description.volume 35
dc.relation.journal Optics Letters
pubs.author-url http://www.ncbi.nlm.nih.gov/pubmed/20808343
pubs.begin-page 2843
pubs.end-page 2845
pubs.issue 17
pubs.organisational-group Biomedical Engineering
pubs.organisational-group Duke
pubs.organisational-group Duke Institute for Brain Sciences
pubs.organisational-group Institutes and Provost's Academic Units
pubs.organisational-group Pratt School of Engineering
pubs.organisational-group University Institutes and Centers
pubs.publication-status Published
pubs.volume 35
dc.identifier.eissn 1539-4794


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