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pySCATMECH is a Python interface to SCATMECH: Polarized Light Scattering C++Class Library.

SCATMECH is an object-oriented C++ class library developed todistribute models for light scattering applications. Included in thelibrary are models for diffuse surface scattering that predict thebidirectional reflectance distribution function (BRDF), codes forcalculating scattering by isolated particles, and codes forreflection, transmission, and diffraction from gratings. Emphasis hasbeen given to those diffuse scatter models that are physics-based andwhich predict the polarization properties of the scattered light. Thelibrary also includes a number of classes that are useful for workingwith polarized light or the optics of thin films. The library isdesigned to enable expansion of new models.

Seehttps://pages.nist.gov/SCATMECH/index.htm for full SCATMECH documentation.

PySCATMECH contains nine modules:

• mueller - Tools for handling Mueller matrices, Stokes vectors, Jones matrices, and Jones vectors
• model - Tools for handling the SCATMECH::Model class, which handles generic models
• fresnel - Tools for handling optical functions, thin films, and reflection and transmission coefficients
• brdf - Tools for handling bidirectional reflectance distribution function (BRDF) models (SCATMECH::BRDF_Model)
• local - Tools for handling differential scattering cross-section (DSC) models of local defects on surfaces (SCATMECH::Local_BRDF_Model)
• rcw - Tools for handling rigorous couple wave (RCW) analysis of 1D periodic gratings (SCATMECH::RCW_Model)
• crossrcw - Tools for handling RCW analysis of 2D periodic gratings (SCATMECH::CrossRCW_Model)
• scatterer - Tools for handling free-space scattering functions (SCATMECH::FreeSpaceScatterer)
• integrate - Tools for integrating BRDF or DSC models

Seehttps://pages.nist.gov/pySCATMECH/index.htm for full pySCATMECH documentation.

To install pySCATMECH, run

pip install pySCATMECH