Journal Article

PreJuSER-58205

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Rheo-optical Measurements using Fast Fourier Transform and Oversampling

Klein, C. ; Venema, P. ; Sagis, L. ; van Dusschoten, D.FZJ* ; Wilhelm, M.FZJ* ; Spies, H. W. ; van der Linden, E. ; Rogers, S. R. ; Donald, A. M.

2007
Kerschensteiner Lappersdorf

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Abstract: Rheo-optics is a method that allows the analysis of optical properties, like birefringence and dichroism under steady and oscillatory shear. it is possible to correlate macroscopic mechanical responses with induced microscopic changes in the material. We describe how this method was improved several fold and implemented on a commercially available setup. However, the here presented ideas are applicable to any rheo-optical setup, based on modulation of the laser light. Additionally it does not need a lock-in amplifier and therefore reduces the costs of the setup.

Keyword(s): J ; rheo-optics (auto) ; birefringence (auto) ; oversampling (auto) ; fast Fourier transformation (auto)

Note: Record converted from VDB: 12.11.2012

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Research Program(s):

1. Terrestrische Umwelt (P24)

Appears in the scientific report 2007

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Database coverage:
JCR ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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