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fourierOptics/scripts/SPIE/plot_strehl.py
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3.5 KiB
Python

import numpy as np
import os
import sys
sys.path.insert(0, '/Users/joost/Dropbox/Werk/PhD/Documents/Published/FourierOptics GitHub release/')
from fourierOptics import *
'''
Author: Joost van den Born, PhD student at University of Groningen
Contact: born@astro.rug.nl
Description: Script to generate the plots of the relation between the
Strehl ratio and the RMS of the Wavefront Error. A comparison
with the Marechal approximation is made.
Script made for the SPIE manuscript.
'''
def expected_strehl2(rms, l):
return np.exp( -(2*np.pi*rms/l)**2 )
def append_to_existing_data(A, filename):
if os.path.exists(filename):
A_o = load_variable(filename)
A = np.append(A, A_o)
return A
def plot_some_stuff():
fig = plt.figure(figsize=(6.4,4.8))
ax = fig.add_subplot(111)
ax2 = ax.twiny()
rmsValues = rmsList[:25]
for i in range(len(rms_zern_list_complete)):
ax.plot((0.8138)*rms_zern_list_complete[i]*1e6, strehl_zern_complete[i], 'y-',
alpha=0.1, linewidth=.5)
ax.plot((0.8138)*rms_psd_list_complete[i]*1e6, strehl_psd_complete[i], 'b-',
alpha=0.1, linewidth=.5)
ax.plot(np.linspace(1e-6,1e-3,100)*1e6, expected_strehl2(np.linspace(1e-6,1e-3,100),l),'k--',
label='$S=\\exp[-(2\\pi\\sigma/\\lambda)^2]$')
ax.errorbar((0.8138)*rmsValues*1e6, mean_strehl_zern, yerr=err_strehl_zern, color='y',
linestyle='-', label='Zernikes', capsize=3, markeredgewidth=1)#,
# linewidth=1)
ax.errorbar((0.8138)*rmsValues*1e6, mean_strehl_psd, yerr=err_strehl_psd, color='b',
linestyle='-', label='PSD', capsize=3, markeredgewidth=1)#,
# linewidth=1)
ax.set_xlabel('$\\sigma_{\\mathrm{WFE}}$ (nm)', fontsize=18)
ax.set_ylabel('Strehl', fontsize=18)
ax.set_ylim([0,1])
ax.set_xlim([np.min(rmsValues)*1e6*(0.8138), np.max(rmsValues)*1e6*(0.8138)])
ax2.set_xlim([np.min(rmsValues*(0.8138)/l), np.max(rmsValues*(0.8138)/l)])
ax2.set_xlabel('$\\sigma/\\lambda$', fontsize=18)
ax.legend(fontsize=18)
ax.grid(True, alpha=0.3)
ax.tick_params(axis='both', which='both', direction='in', labelsize=16, zorder=-1,)
ax2.tick_params(axis='both', which='both', direction='in', labelsize=16, zorder=-1,)
plt.tight_layout()
# plt.savefig('./figures/SR_relation_WFE_on_ADC_p1_obscured.png', bbox_inches='tight', transparent=True)
# plt.savefig('./figures/SR_relation_WFE_on_ADC_p1_obscured.pdf', bbox_inches='tight', transparent=True)
figtitle = 'new_SR_relation_WFE_on_ADC_p1_obscured'
if figtitle:
plt.savefig('{}.pdf'.format(figtitle),
bbox_inches='tight',
transparent=False,
facecolor=(1, 1, 0, 0.0))
plt.savefig('{}.png'.format(figtitle),
bbox_inches='tight',
transparent=False,
facecolor=(1, 1, 0, 0.0))
plt.show()
if __name__ == '__main__':
plt.rc('font', family='serif')
plt.rc('text', usetex=True)
plt.rc('axes', labelsize='large')
l = 1.49e-3
rmsList = load_variable('./data/Strehl relation analysis/SR_RMS_values_obscured.pkl')
strehl_zern_complete = load_variable('./data/Strehl relation analysis/SR_strehl_zern_obscured.pkl')
strehl_psd_complete = load_variable('./data/Strehl relation analysis/SR_strehl_psd_obscured.pkl')
rms_zern_list_complete = load_variable('./data/Strehl relation analysis/SR_rms_zern_complete_obscured.pkl')
rms_psd_list_complete = load_variable('./data/Strehl relation analysis/SR_rms_psd_complete_obscured.pkl')
mean_strehl_zern = np.mean(strehl_zern_complete, axis=0)
err_strehl_zern = np.std(strehl_zern_complete, axis=0)
mean_strehl_psd = np.mean(strehl_psd_complete, axis=0)
err_strehl_psd = np.std(strehl_psd_complete, axis=0)
plot_some_stuff()