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SCATMECH > Classes and Functions >
Surface Scattering Models
> Rayleigh_Defect_BRDF_Model
class
Rayleigh_Defect_BRDF_Model
The class Rayleigh_Defect_BRDF_Model is a
Local_BRDF_Model, which implements a single
scattering model for a very small defect below a surface.
The surface may consist of one or more interfaces.
Parameters:
| Parameter |
Data
Type |
Description |
Default |
| lambda |
double |
Wavelength of the light
in vacuum [µm].
(Inherited from BRDF_Model.) |
0.532 |
| type |
int |
Indicates
whether scattering is evaluated in reflection (0) or
transmission (1).
(Inherited from BRDF_Model.) |
0 |
| substrate |
dielectric_function |
The
optical constants of the substrate, expressed as a
complex number (n,k) or, optionally, as a function of
wavelength.
(Inherited from BRDF_Model.) |
(4.05,0.05) |
| density |
double |
The
surface number density of local scatterers
[µm-2].
(Inherited from Local_BRDF_Model.) |
1 |
| stack |
dielectric_stack |
Description of any stack
of films deposited on the substrate, usually specified
by a file. See dielectric_stack, for more
information.
|
no
films |
| radius |
double |
The
radius of the spherical defect [µm]. |
0.001 |
| distance |
double |
The
distance from the surface to the center of the
spherical defect [µm]. |
0 |
| defect |
dielectric_function |
The
optical constants of the spherical defect, expressed as
a complex number (n,k) or, optionally, as a function of
wavelength. |
(1.0,0.0) |
See also:
SCATMECH Home, Conventions, Local_BRDF_Model, dielectric_stack
T. A. Germer, "Angular
dependence and polarization of
out-of-plane optical scattering from particulate
contamination, subsurface defects, and surface
microroughness," Appl. Opt. 36, 8798-8805
(1997).
Include file:
#include "sphdfct.h"
Source code:
sphdfct.cpp
Definition of public members:
class Rayleigh_Defect_BRDF_Model
: public Local_BRDF_Model
{
};
For More Information
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Current SCATMECH version: 6.00 (February 2008)
This page first online: Version 1.00 (March 2000)
This page last modified: Version 6.00 (February 2008)
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