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A python program to use multiwavelength anomalous surface diffraction
pyanpha is a shell-based program, which applies the multi-wavelength anomalous diffraction technique to Surface Diffraction. It enables one to calculate the phases of the structure factors of crystal truncation rods when anomalous scatterers are present in the thin film. Functionality extends to standalone simulations. It was coined pyanpha which is an acronym for PYthon ANomalous PHAsing and it is written in python.
Simulation of the diffraction phenomena of a plane-wave on a 2D-diaphragm in the Fraunhoffer approximation (corresponding to 99.9% of real common situations). The diaphragm is freely defined by the user via a bitmap file.
This program is entended as a help of teaching the diffraction phenomena to students.
DIFFR is a menu-driven graphical software whereby the problem of a plane wave diffraction on a rough surface can be solved using several numerical and approximate methods.
The Xtal System is a comprehensive suite of small molecule structural solution, refinement and analysis software, supporting both X-ray, neutron and electron diffraction data. It runs on both Unix and MS Win32 platforms and uses tcl/tk graphics.
Grating Calculator is a freeware application for the Calculation of Focal Planes of General Diffraction Gratings, from Rowland Type to the most modern aperiodic line density concave gratings used for soft x-ray diffraction.
The GWO library is numerical calculation library for the diffraction integrals using a GPU (Graphics Processing Unit). If optics engineers and researchers have no knowledge of GPU, the GWO library provides them with the GPU calculation power easily.
MRCWA - Multilayer Rigorous Coupled Wave Analysis is a fast, flexible optical grating solver. It calculates an exact solution to the Maxwell equations for the diffraction of light from an optical grating with arbitrary profile and materials.
Simulation of diffraction pattern duality experiment. Each particle impacts the phosphor screen at a particular localized point, but when many individual particle impacts occur, the wave-based diffraction pattern emerges.
This software allows to determine the magnetic structure from the integral intensities of neutron diffraction data. The symmetry of the structure may be enabled by the basal functions of irreducible representations.
Powder3D_IP integrates two-dimensional powder diffraction images to a one dimensional histogram or diffraction pattern. Advanced filters enable the integration of otherwise very problematic images. Functions to calibrate images are included.