Focusing of a radially polarized, cylindrically symmetric, vector beam by a thin lens: Simplified analysis of the radial-to-axial polarization transformation and determination of the electromagnetic fields at and near focus

Optik ◽  
2018 ◽  
Vol 169 ◽  
pp. 8-11
Author(s):  
R.M.A. Azzam
Keyword(s):  
Electromagnetic Fields ◽  
Thin Lens ◽  
Vector Beam ◽  
Cylindrically Symmetric ◽  
Simplified Analysis ◽  
Axial Polarization ◽  
Radially Polarized

scholarly journals SAXS4COLL: an integrated software tool for analysing fibrous collagen-based tissues

2017 ◽  
Vol 50 (4) ◽  
pp. 1235-1240 ◽  
Author(s):  
Ahmed Abass ◽  
James S. Bell ◽  
Martin T. Spang ◽  
Sally Hayes ◽  
Keith M. Meek ◽  
...  
Keyword(s):  
Background Subtraction ◽  
Software Tool ◽  
Peak Detection ◽  
Saxs Data ◽  
X Ray ◽  
Cylindrically Symmetric ◽  
X Ray Scattering ◽  
Integrated Software ◽  
Scattering Systems

This article provides an overview of a new integrated software tool for reduction and analysis of small-angle X-ray scattering (SAXS) data from fibrous collagen tissues, with some wider applicability to other cylindrically symmetric scattering systems.SAXS4COLLcombines interactive features for data pre-processing, bespoke background subtraction, semi-automated peak detection and calibration. Both equatorial and meridional SAXS peak parameters can be measured, and the former can be deconstructed into cylinder and lattice contributions. Finally, the software combines functionality for determination of collagen spatial order parameters with a rudimentary orientation plot capability.

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