rayleigh.h File Reference

Data Structures
struct	rayleigh_t
	Parameters for the rayleigh() scattering simulation. More...

Functions
dcell *	rayleigh (rayleigh_t *cfg)
	Compute rayleigh backscatter patterns for all WFS. All input are in SI unit.
void	rayleigh_free (rayleigh_t *cfg)
rayleigh_t *	rayleigh_setup (real D)

Detailed Description

Compute rayleigh backscatter for WFS subaperture

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Data Structure Documentation

rayleigh_t

struct rayleigh_t

Parameters for the rayleigh() scattering simulation.

Collaboration diagram for rayleigh_t:

Data Fields
loc_t *	saloc	Subaperture lower left corner location.
dmat *	thetax	LGS on sky angle wrt optical axis (x-component).
dmat *	thetay	LGS on sky angle wrt optical axis (y-component).
dmat *	llt_ox	LLT location for each LGS (x-coordinate).
dmat *	llt_oy	LLT location for each LGS (y-coordinate).
dmat *	tau	n*3 matrix: [height, total throughput, scattering fraction].
double	dsa	Subaperture size.
double	sbeam	Sigma (knee width) of the laser beam Gaussian profile.
double	dbeam	Full width of laser beam as clipped by the LLT.
double	hs	Altitude/Height of the Laser Guide Star (LGS).
double	dtheta	Angular resolution for PSF sampling.
int	npsf	Grid size for the PSF (e.g., npsf x npsf).

Function Documentation

rayleigh()

dcell * rayleigh

(

rayleigh_t *

cfg

)

Compute rayleigh backscatter patterns for all WFS. All input are in SI unit.

Returns

dcell* PSF for each subaperture