PIAACMCsimul_initpiaacmcconf.c File Reference

Functions
int	clock_gettime (int clk_id, struct mach_timespec *t)
int	PIAACMCsimul_initpiaacmcconf (long piaacmctype, double fpmradld, double centobs0, double centobs1, int WFCmode, int load)
	Creates/initializes piaacmcconf structure and directory. More...

Variables
PIAACMCsimul_varType	piaacmcsimul_var
	All global images and variables. More...
OPTSYST *	optsyst
	optical system description More...
OPTPIAACMCDESIGN *	piaacmc

Function Documentation

int clock_gettime	(	int	clk_id,
		struct mach_timespec *	t
	)

int PIAACMCsimul_initpiaacmcconf	(	long	piaacmctype,
		double	fpmradld,
		double	centobs0,
		double	centobs1,
		int	WFCmode,
		int	load
	)

Creates/initializes piaacmcconf structure and directory.

initializes configuration

List of Configuration Parameters

Each parameter is stored on disk as conf/conf_.txt

PIAA OPTICS DESIGN:

Parameter	Meaning
PIAAmode	PIAA mode (0: classical apodization, 1: PIAA)
fpmradld	Focal plane mask radius [l/D]
PIAAcoeff	Fraction of PIAA apodization
coin	Central obstruction at input beam [beam radius]
coout	Central obstruction at output beam [beam radius]
PIAAmaterial	PIAA optics material
PIAAcirc	FLAG: 1 if PIAA shapes are circular (no Fourier modes)
REGPIAACCOEFF	PIAA regularization amplitude, cosine modes
REGPIAACALPHA	PIAA regularization power law, cosine modes
REGPIAAFCOEFF	PIAA regularization amplitude, Fourier modes
REGPIAAFALPHA	PIAA regularization power law, Fourier modes

LYOT STOP(S) DESIGN:

Parameter	Meaning
LStransm	Lyot stop transmission
NBls	Number of Lyot stops
lambda	Wavelength for monochromatic design [nm]

FOCAL PLANE MASK DESIGN:

Parameter	Meaning
fpmmaterial	focal plane mask material
FPMsectors	mask geometry: 0=disk, 1=sectors, 2=hexagonal tiling
NBrings	number of rings in focal plane mask
maskradld	mask outer radius at central wavelength [l/D]
fpmminsag	min focal plane mask sag
fpmmaxsag	max focal plane mask sag
fpmregsag_coeff	sag regularization coefficient
fpmregsag_alpha	sag regularization coefficient exponent
fpmccnbr	how many central rings replaced by cone (set to 0 if no central cone
fpmccz	sag at cone center (sag at cone edge will be midpoint between minsag and maxsag)
fpmocradld	outer cone outer radius [l/D]
fpmocz	sag at inner edge of outer cone (sag = 0 at outer edge), set to 0 if no outer cone

OPTIMIZATION PARAMETERS:

Parameter	Meaning
mlambda	central wavelength for polychromatic design [nm]
mlambdaB	spectral bandwidth [%]
nblambda	Number of wavelength values
ssize	source angular size for mask optimization (20: 0.01 l/D; 10: 0.1 l/D)
extmode	source extent mode (0: 1 point, 1: 3 points; 2: 6 points)

OPTICAL DESIGN:

Parameter	Meaning
size	array size
beamrad	beam radius [mm]
pscale	pixel scale in pupil [m/pix]
Fratio	F ratio at focal plane mask
PIAAr0lim	outer edge of PIAA optic 0 [beam radius unit]
PIAAr1lim	outer edge of PIAA optic 1 [beam radius unit]
PIAAsep	distance between PIAA optics [m]
PIAA0pos	PIAA optic 0 distance from pupil plane [m]
invPIAAmode	0: no inv PIAA, 1: inv PIAA after Lyot stops, 2: inv PIAA before Lyot stops
prePIAA0maskpos	pre-PIAA optic 0 mask distance from pupil plane m
postPIAA0maskpos	post-PIAA optic 0 mask distance from pupil plane m
piaaNBCmodesmax	maximum number of radial cosine modes for PIAA optics
piaaCPAmax	maximum spatial frequency (CPA) for PIAA optics
LyotZmin	minimum value for Lyot stop(s) conjugation range [m] - relative to element named "post focal plane mask pupil"
LyotZmax	maximum value for Lyot stop(s) conjugation range [m] - relative to element named "post focal plane mask pupil"
pupoutmaskrad	output pupil mask radius (scaled to pupil radius)

Parameters

[in]	piaacmctype	Type of system: 0=idealized mask, 1=physical mask
[in]	fpmradld	Focal plane mask nominal radius
[in]	centobs0	Input central obstruction
[in]	centobs1	Output central obstruction
[in]	WFSmode	Number of DMs (0: no WFC)
[in]	load	if 1, attempt to load configuration from file

piaacmctype:

• 0: if configuration does not exist, create Monochromatic idealized PIAACMC, otherwise, read configuration
• 1: physical mask

Wavefront control

Variable Documentation

OPTSYST* optsyst

optical system description

OPTPIAACMCDESIGN* piaacmc

PIAACMCsimul_varType piaacmcsimul_var

All global images and variables.