Added descriptions to all scripts, checked functioning

scripts/off_axis_test.py

@@ -6,9 +6,17 @@ from matplotlib.ticker import FormatStrFormatter
 from matplotlib.colors import LogNorm
 import time
 import sys
-sys.path.insert(0, '/Users/joost/Dropbox/Werk/PhD/Analyses/Python/Analytical/Fourier Optics')
+sys.path.insert(0, '/Users/joost/Dropbox/Werk/PhD/Documents/Published/FourierOptics GitHub release/')
 from fourierOptics import *
 
+'''
+	2022-08-02: I don't understand the relation between the name of this script
+	and what happens within. It does seem to simulate a broadband PSF. And there's
+	also a phaseTilt function defined. Probably, I was testing out small phase tilts
+	to shift the PSF off-axis.
+'''
+
+
 def phaseTilt(x,y,tx,ty):
 	phaseTilt = x * np.tan(np.deg2rad(tx)) + y * np.tan(np.deg2rad(ty))
 	return phaseTilt