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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 7 — Mar. 1, 2013
  • pp: 1423–1431

Industrial applications of Photon Density Wave spectroscopy for in-line particle sizing [Invited]

Roland Hass, Marvin Münzberg, Lena Bressel, and Oliver Reich  »View Author Affiliations


Applied Optics, Vol. 52, Issue 7, pp. 1423-1431 (2013)
http://dx.doi.org/10.1364/AO.52.001423


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Abstract

Optical spectroscopy in highly turbid liquid material is often restricted by simultaneous occurrence of absorption and scattering of light. Photon Density Wave (PDW) spectroscopy is one of the very few, yet widely unknown, technologies for the independent quantification of these two optical processes. Here, a concise overview about modern PDW spectroscopy is given, including all necessary equations concerning the optical description of the investigated material, dependent light scattering, particle sizing, and PDW spectroscopy itself. Additionally, it is shown how the ambiguity in particle sizing, arising from Mie theory, can be correctly solved. Due to its high temporal resolution, its applicability to highest particle concentrations, and its purely fiber-optical probe, PDW spectroscopy possesses all fundamental characteristics for optical in-line process analysis. Several application examples from the chemical industry are presented.

© 2013 Optical Society of America

OCIS Codes
(000.2170) General : Equipment and techniques
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(170.5270) Medical optics and biotechnology : Photon density waves
(290.4210) Scattering : Multiple scattering
(290.7050) Scattering : Turbid media
(300.6360) Spectroscopy : Spectroscopy, laser

History
Original Manuscript: September 4, 2012
Revised Manuscript: January 31, 2013
Manuscript Accepted: January 31, 2013
Published: February 25, 2013

Virtual Issues
Vol. 8, Iss. 4 Virtual Journal for Biomedical Optics

Citation
Roland Hass, Marvin Münzberg, Lena Bressel, and Oliver Reich, "Industrial applications of Photon Density Wave spectroscopy for in-line particle sizing [Invited]," Appl. Opt. 52, 1423-1431 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-7-1423

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