Added scripts folder with old scripts

scripts/artificial_speckles_test.py

@@ -0,0 +1,64 @@
+#!/usr/bin/env Python3
+import numpy as np
+from pdb import set_trace
+import matplotlib.pyplot as plt
+from matplotlib.ticker import FormatStrFormatter
+from matplotlib.colors import LogNorm
+import sys
+sys.path.insert(0, '/Users/joost/Dropbox/Werk/PhD/Analyses/Python/Analytical/Fourier Optics')
+from fourierOptics import *
+
+plt.rc('font', family='serif')
+plt.rc('axes', labelsize='large')
+
+# Parameters
+dpix 		= 160
+n, m 		= 1001, 1001
+oC 			= [-2.5, 2.5, -2.5, 2.5]
+l 			= 1.49e-3						# wavelength
+lList = np.linspace(1.49e-3, 1.78e-3, 11).tolist()
+
+dispMax = 17.9e-3 / 3600 # degrees
+dispersion = np.linspace(0, dispMax, len(lList)).tolist()
+
+Exyz_list = []
+
+print ('Your resolution is {}x{} with a pixel size of {}'.format(n,m,dpix))
+# Start of the ELT-lens system
+# Initiate Fourier Optics, profile and wavefront error objects
+for l in lList: 
+	i = lList.index(l)
+	print(l, dispersion[i])
+	fou = FourierOptics(l=l)
+	prof = Profiles()
+	wfe = WavefrontError(n,m)
+	
+
+	# A = prof.top_hat(38854/2, n, m, dpix=dpix, oversample=1)
+	A = prof.ELT_pupil(n,m,dpix)
+
+	# Create an input grid, equivalent to the size of ELT-M1
+	x, y = np.meshgrid(np.linspace(-n/2*dpix, n/2*dpix, n), np.linspace(-m/2*dpix, m/2*dpix, m))
+
+	# Create a ELT-M1 parabolic mirror
+	M1 = ParabolicMirror(dx=0, dy=0, name='ELT-M1', CA=38854/2, f=679945)
+	t_l = M1.phase_delay(x,y,l)
+	U_in = A * t_l
+
+	z = wfe.generate_sine_pattern(1e-4, 1e-4, 180, 180)
+	dispersion_tilt = wfe.generate_tilt(x,y,tx=0, ty=dispersion[i])
+	# psd_surface = wfe.generate_height_map(30e-6, 2, 1)
+
+	M1.add_wavefront_error(z+dispersion_tilt)# + psd_surface)
+	t_l = M1.phase_delay(x,y,l)
+	U_in2 = A * t_l
+
+
+	# Propagating the original, unperturbed, system and calculating encircled energy
+	Exyz_s,xs,ys = fou.fresnel_propagation(U_in2, x, y, dz=M1.f, show=False, outputCoordinates=oC)
+
+	Exyz_list.append(Exyz_s)
+
+Exyz_s = np.asarray(Exyz_list).sum(axis=0)
+plt.imshow(np.abs(Exyz_s), cmap='hot');plt.colorbar();plt.show()
+plt.imshow(np.abs(Exyz_s)**2, cmap='hot', norm=LogNorm(vmin=1e-7));plt.colorbar();plt.show()