Citation: Ran Chen, Zhi-yong Yi, Jia-xue Liu, Zhen-yu Liu, Yong-feng Men. A Deblurring Procedure for Two-dimensional Small Angle X-ray Scattering Patterns[J]. Chinese Journal of Polymer Science, ;2016, 34(4): 505-512. doi: 10.1007/s10118-016-1767-7 shu

A Deblurring Procedure for Two-dimensional Small Angle X-ray Scattering Patterns

1.
State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
2.
Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

Received Date: 27 October 2015
Revised Date: 21 November 2015

Fund Project: This work was financially supported by the National Natural Science Foundation of China (Nos. 21134006 and 51275504), Dutch Polymer Institute (DPI project: 779), and Science and Technology Development Plane of Jilin (No. 20140519007JH).

A general pre-processing procedure of the measured SAXS patterns for reducing the effect of beam stop and beam stop holder is described. A proper method for automatically choosing the regularization parameter is implemented. The method works out on the two-dimensional SAXS patterns. After deblurring, the corresponding two-dimensional patterns will be converted into one-dimensional integrated intensity distribution curves. We tested the program using both calculated artificial data and real experimental data such as polystyrene and poly(methyl methacrylate) latices. The deblurred results are satisfactory showing the effectiveness of the method. The deblurring process of a typical two-dimensional SAXS pattern using the Matlab based program can be completed in few seconds on normal personal computers.
- Deblur,
- PS latex,
- PMMA colloidal dispersion,
- SAXS
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1.
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