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PyTMM

Transfer Matrix Method implementation & RefractiveIndex.info database (2015-05-24) browser

Citations: DOI

RefractiveIndex.info module as a separate package:

https://github.com/toftul/refractiveindex

Documentation

Extended documentation can be found at kitchenknif.github.io/PyTMM

Installation & Basic Usage

By default the RefractiveIndex module thinks that the RefractiveIndex.info database is installed in your home folder. If this is okay, the database can be used as follows:

catalog = RefractiveIndex()
mat = catalog.getMaterial('main', 'Si', 'Aspnes')
# wavelength in nanometers
n = mat.getRefractiveIndex(500))
n = mat.getExtinctionCoefficient(500))

If you want to have the database in a different folder, you just need to specify the path to the RefractiveIndex database:

catalog = RefractiveIndex("./path/to/folder/with/RefractiveIndex/database")
mat = catalog.getMaterial('main', 'Si', 'Aspnes')
n = mat.getRefractiveIndex(500))  # wavelength in nanometers

By default, the database is downloaded automatically on first use. If you do not want that, use RefractiveIndex(auto_download=False).

Examples of using the transferMatrix module can be found in

.
+-- _PyTMM
|   +-- examples

Dependencies

  • numpy
  • scipy
  • pyyaml
  • matplotlib (for plotting)

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Transfer Matrix Method implemetation & RefractiveIndex.info database browser

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