PartiallyCoherentReflector models the reflected return from an optically-rough surface which has macroscopic surface depth on the order of or shorter than the temporal coherence length of the incident light. The physical/mathematical model used by PartiallyCoherentReflector is more precise in modeling partial coherence than the rough intuitive model of IncoherentReflector.
See the WT User Guide for further discussion of the physical/mathematical model encoded in PartiallyCoherentReflector, and related explanation of the module parameters. Also, see the Guide for properties and options in general of WaveTrain's rough-reflector modules. CoherentTarget, IncoherentReflector and PartiallyCoherentReflector are WaveTrain's three basic physical models for representing wave-optics scattering from an optically-rough surface.

Parameters
reflectance	Grid<float>	Intensity reflectance map (BRDF)	Grid
surfaceDepth	Grid<float>	Macroscopic surface depth map, reflector shape (m)	Grid
cavityLength	float	Controls periodicity of relative coherence of longitudinal modes (m)	1.0
coherenceLength	float	Coherence length of longitudinal modes (m)	1.0
iseedCoherence	int	Random number seed for complex amplitude temporal realization (periodic with period 2*cavityLength)	-987654323
meanRoughness	float	2*(peak-valley) of micro surface roughness distribution (m)	0.00001
iseedRoughness	int	Random number seed for micro surface roughness	-987654325
propNxy	int	Grid size for returned wave	512
propDxy	float	Grid spacing for returned wave (m)	0.001
nWaves	int	Number of temporal realizations to be added at sensor	0
Inputs
incident	WaveTrain	Describes all incident light	WaveTrain()
Outputs
transmitted	WaveTrain	Describes all transmitted light
illumination	Grid<float>	Intensity map of the incident illumination (W/m^2)
illuminationInfo	Vector<float>	Misc. information concerning the illuminating Waves
returned	Grid<float>	Intensity map of the returned illumination (W/m^2)
Subsystems
Last Saved: Thu Jan 31 15:56:34 MST 2008 by TVE version 2007B