materials

Simulate the interaction of light with transparent or reflective materials.

Functions

snells_law_scalar(cos_incidence, ...)	A simple form of Snell's law which computes the cosine of the angle between the propagation direction inside the new medium and the interface normal.
snells_law(direction, index_refraction, ...)	A vector form of Snell's law.
multilayer_coefficients(wavelength[, ...])	Calculate the reflection and transmission coefficients of a multilayer stack using the method described in Yeh [1988].
multilayer_efficiency(wavelength[, ...])	Calculate the reflectivity and transmissivity of a multilayer film or coating using the method in Windt [1998].
layer_absorbance(index, wavelength[, ...])	Compute the fraction of energy absorbed for a particular layer in the multilayer stack.

Classes

AbstractLayer()	An interface for representing a single homogeneous layer or a sequence of homogeneous layers.
Layer([chemical, thickness, interface, ...])	An isotropic, homogenous layer of optical material.
AbstractLayerSequence()	An interface describing a sequence of layers.
LayerSequence(layers)	An explicit sequence of layers.
PeriodicLayerSequence(layers, num_periods)	A sequence of layers repeated an arbitrary number of times.
AbstractMaterial()	An interface describing a generalized optical material.
Vacuum()	Empty space, the default material.
AbstractMirror()	An interface describing a generalized reflective mirror.
Mirror([substrate])	A perfect mirror material.
MeasuredMirror(efficiency_measured[, ...])	A mirror where the reflectivity has been measured by an external source as a function of wavelength.
AbstractMultilayerMaterial()	A generalized multilayer material.
AbstractMultilayerFilm()	An interface describing a thin-film multilayer material.
MultilayerFilm([layers])	A thin-film multilayer material.
AbstractMultilayerMirror()	A generalized multilayer mirror coating.
MultilayerMirror([layers, substrate])	A model of a mirror coating consisting of alternating layers of different materials.
AbstractThinFilmFilter()	An interface describing a thin-film filter.
ThinFilmFilter(layer, layer_oxide, mesh)	A model of a thin-film EUV filter, such as those manufactured by Luxel [Powell et al., 1990].

Modules

profiles	Roughness profiles between different layers in a multilayer stack.
matrices	A collection of transfer matrices for computing the efficiency of optical films and multilayers.
meshes	Meshes designed to support thin-film filters, such as the ones manufactured by Luxel [Powell et al., 1990].