@article{Dietsche2007Fiber-8879,
  year={2007},
  doi={10.1364/AO.46.008506},
  title={Fiber-based multispeckle detection for time-resolved diffusing-wave spectroscopy : characterization and application to blood flow detection in deep tissue},
  number={35},
  volume={46},
  journal={Applied Optics},
  pages={8506--8514},
  author={Dietsche, Gregor and Ninck, Markus and Ortolf, Christian and Li, Jun and Jaillon, Franck and Gisler, Thomas}
}

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    <dcterms:title>Fiber-based multispeckle detection for time-resolved diffusing-wave spectroscopy : characterization and application to blood flow detection in deep tissue</dcterms:title>
    <dcterms:bibliographicCitation>First publ. in: Applied Optics 46 (2007), 35, pp. 8506-8514</dcterms:bibliographicCitation>
    <dcterms:abstract xml:lang="deu">We present a technique for the measurement of temporal field autocorrelation functions of multiply scattered light with subsecond acquisition time. The setup is based on the parallel detection and autocorrelation of intensity fluctuations from statistically equivalent but independent speckles using a fiber bundle, an array of avalanche photodiodes, and a multichannel autocorrelator with variable integration times between 6.5 and 104 ms. Averaging the autocorrelation functions from the different speckles reduces the integration time in diffusing-wave spectroscopy experiments drastically, thus allowing us to resolve nonstationary scatterer dynamics with single-trial measurements. We present applications of the technique to the measurement of arterial and venous blood flow in deep tissue. We find strong deviations both of the shape and characteristic decay time of autocorrelation functions recorded at different phases of the pulsation cycle from time-averaged autocorrelation functions.</dcterms:abstract>
    <dc:contributor>Ninck, Markus</dc:contributor>
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