An optimized protocol for the analysis of time-resolved elastic scattering experiments

Michelle A. Calabrese, Norman J. Wagner, Simon A. Rogers

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

A deconvolution protocol is developed for obtaining material responses from time-resolved small-angle scattering data from light (SALS), X-rays (SAXS), or neutrons (SANS). Previously used methods convolve material responses with information from the procedure used to group data into discrete time intervals, known as binning. We demonstrate that enhanced signal resolution can be obtained by using methods of signal processing to analyze time-resolved scattering data. The method is illustrated for a time-resolved rheo-SANS measurement of a complex, structured surfactant solution under oscillatory shear flow. We show how the underlying material response can be clearly decoupled from the binning procedure. This method greatly reduces the experimental acquisition time, by approximately one-third for the aforementioned rheo-SANS experiment.

Original languageEnglish (US)
Pages (from-to)2301-2308
Number of pages8
JournalSoft Matter
Volume12
Issue number8
DOIs
StatePublished - 2016

Bibliographical note

Funding Information:
We acknowledge the support of the National Institute of Standards and Technology, U.S. Department of Commerce, in providing the neutron research facilities used in this work. This manuscript was prepared under cooperative agreement 70NANB12H239 from NIST, U.S. Department of Commerce. The statements, findings, conclusions and recommendations are those of the author(s) and do not necessarily reflect the view of NIST or the U.S. Department of Commerce.

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