Advanced Utilities

These pages cover the remaining public surfaces that are useful but secondary to the core optics stack. The analysis and optim pages document the top-level modules src/fouriax/analysis.py and src/fouriax/optim.py.

Sensor	Base interface for converting optical fields into detector measurements.
Detector	Intensity detector integrated over a single region of the field grid.
DetectorArray	Grid-based detector array with optional QE weighting and noise.
SensorNoiseModel	Base interface for stochastic sensor noise applied to expected measurements.
PoissonNoise	Shot noise model in normalized output units.
GaussianNoise	Additive Gaussian sensor noise in measurement units.
PoissonGaussianNoise	Shot noise plus additive Gaussian read noise in measurement units.
IncoherentImager	Incoherent shift-invariant imager built from coherent optics.
MetaAtomLibrary	Regular-grid meta-atom transmission library over wavelength and geometry axes.
MetaAtomInterpolationLayer	Optical layer applying a geometry-parameterised meta-atom transmission.
analysis	Fisher information, sensitivity analysis, and design optimality utilities.
optim	Optimization-loop helpers for example scripts and notebooks.