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Proceedings Paper

Fiber-optical particle sizing by photon density wave spectroscopy
Author(s): Lena Bressel; Marvin Münzberg; Roland Hass; Oliver Reich
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Paper Abstract

Photon Density Wave (PDW) spectroscopy is introduced as a fiber-optical technique for the in-line and dilution-free determination of the droplet or particle size in highly turbid emulsions and suspensions, respectively. Here, focus is laid on the monitoring of the Phase Inversion Temperature (PIT) emulsification process. The different stages like the inversion from an oil-in-water to a water-in-oil macroemulsion and finally to an oil-in-water nanoemulsion are observed and the droplet size is determined with high temporal resolution. This process shows the capability of PDW spectroscopy to determine particle or droplet sizes over a wide range from the nanometer to micrometer scale.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 915756 (2 June 2014); doi: 10.1117/12.2059579
Show Author Affiliations
Lena Bressel, Univ. of Potsdam (Germany)
Marvin Münzberg, Univ. of Potsdam (Germany)
Roland Hass, Univ. of Potsdam (Germany)
Oliver Reich, Univ. of Potsdam (Germany)


Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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