Merge branch 'master' of gitmaster.atlas.aei.uni-hannover.de:pykat/pykat

examples/sagnac/QN_Sagnac_25ppm_loss.dat

+   1.0000000e+02	   1.3221987e-17	
+   1.0549764e+02	   1.1892014e-17	
+   1.1129751e+02	   1.0697027e-17	
+   1.1741624e+02	   9.6233229e-18	
+   1.2387136e+02	   8.6585877e-18	
+   1.3068136e+02	   7.7917584e-18	
+   1.3786574e+02	   7.0128946e-18	
+   1.4544510e+02	   6.3130646e-18	
+   1.5344114e+02	   5.6842429e-18	
+   1.6187678e+02	   5.1192187e-18	
+   1.7077617e+02	   4.6115125e-18	
+   1.8016482e+02	   4.1553025e-18	
+   1.9006963e+02	   3.7453572e-18	
+   2.0051896e+02	   3.3769761e-18	
+   2.1154277e+02	   3.0459350e-18	
+   2.2317262e+02	   2.7484385e-18	
+   2.3544184e+02	   2.4810757e-18	
+   2.4838557e+02	   2.2407817e-18	
+   2.6204090e+02	   2.0248019e-18	
+   2.7644696e+02	   1.8306611e-18	
+   2.9164501e+02	   1.6561346e-18	
+   3.0767859e+02	   1.4992233e-18	
+   3.2459363e+02	   1.3581301e-18	
+   3.4243861e+02	   1.2312401e-18	
+   3.6126464e+02	   1.1171018e-18	
+   3.8112565e+02	   1.0144104e-18	
+   4.0207855e+02	   9.2199328e-19	
+   4.2418337e+02	   8.3879641e-19	
+   4.4750342e+02	   7.6387246e-19	
+   4.7210553e+02	   6.9637002e-19	
+   4.9806018e+02	   6.3552396e-19	
+   5.2544171e+02	   5.8064677e-19	
+   5.5432858e+02	   5.3112082e-19	
+   5.8480355e+02	   4.8639134e-19	
+   6.1695392e+02	   4.4596020e-19	
+   6.5087180e+02	   4.0938025e-19	
+   6.8665436e+02	   3.7625032e-19	
+   7.2440411e+02	   3.4621061e-19	
+   7.6422921e+02	   3.1893866e-19	
+   8.0624375e+02	   2.9414563e-19	
+   8.5056810e+02	   2.7157298e-19	
+   8.9732923e+02	   2.5098946e-19	
+   9.4666113e+02	   2.3218842e-19	
+   9.9870511e+02	   2.1498536e-19	
+   1.0536103e+03	   1.9921567e-19	
+   1.1115339e+03	   1.8473266e-19	
+   1.1726420e+03	   1.7140573e-19	
+   1.2371096e+03	   1.5911873e-19	
+   1.3051214e+03	   1.4776850e-19	
+   1.3768722e+03	   1.3726347e-19	
+   1.4525676e+03	   1.2752255e-19	
+   1.5324245e+03	   1.1847396e-19	
+   1.6166716e+03	   1.1005432e-19	
+   1.7055503e+03	   1.0220774e-19	
+   1.7993153e+03	   9.4885079e-20	
+   1.8982351e+03	   8.8043226e-20	
+   2.0025931e+03	   8.1644475e-20	
+   2.1126884e+03	   7.5655973e-20	
+   2.2288363e+03	   7.0049214e-20	
+   2.3513696e+03	   6.4799584e-20	
+   2.4806394e+03	   5.9885947e-20	
+   2.6170159e+03	   5.5290272e-20	
+   2.7608899e+03	   5.0997283e-20	
+   2.9126736e+03	   4.6994141e-20	
+   3.0728018e+03	   4.3270151e-20	
+   3.2417332e+03	   3.9816479e-20	
+   3.4199519e+03	   3.6625898e-20	
+   3.6079684e+03	   3.3692530e-20	
+   3.8063214e+03	   3.1011596e-20	
+   4.0155790e+03	   2.8579147e-20	
+   4.2363410e+03	   2.6391768e-20	
+   4.4692395e+03	   2.4446230e-20	
+   4.7149421e+03	   2.2739070e-20	
+   4.9741524e+03	   2.1266108e-20	
+   5.2476132e+03	   2.0021909e-20	
+   5.5361079e+03	   1.8999274e-20	
+   5.8404629e+03	   1.8188844e-20	
+   6.1615503e+03	   1.7578950e-20	
+   6.5002899e+03	   1.7155798e-20	
+   6.8576521e+03	   1.6903997e-20	
+   7.2346609e+03	   1.6807352e-20	
+   7.6323962e+03	   1.6849767e-20	
+   8.0519975e+03	   1.7016076e-20	
+   8.4946670e+03	   1.7292690e-20	
+   8.9616729e+03	   1.7667984e-20	
+   9.4543530e+03	   1.8132454e-20	
+   9.9741189e+03	   1.8678680e-20	
+   1.0522460e+04	   1.9301162e-20	
+   1.1100946e+04	   1.9996097e-20	
+   1.1711236e+04	   2.0761136e-20	
+   1.2355077e+04	   2.1595145e-20	
+   1.3034314e+04	   2.2497999e-20	
+   1.3750893e+04	   2.3470401e-20	
+   1.4506867e+04	   2.4513740e-20	
+   1.5304402e+04	   2.5629976e-20	
+   1.6145782e+04	   2.6821557e-20	
+   1.7033418e+04	   2.8091350e-20	
+   1.7969854e+04	   2.9442599e-20	
+   1.8957771e+04	   3.0878893e-20	
+   2.0000000e+04	   3.2404143e-20	

examples/sagnac/QN_Sagnac_lossless.dat

+   1.0000000e+02	   2.1801158e-18	
+   1.0549764e+02	   2.0663790e-18	
+   1.1129751e+02	   1.9585621e-18	
+   1.1741624e+02	   1.8563564e-18	
+   1.2387136e+02	   1.7594689e-18	
+   1.3068136e+02	   1.6676221e-18	
+   1.3786574e+02	   1.5805530e-18	
+   1.4544510e+02	   1.4980120e-18	
+   1.5344114e+02	   1.4197628e-18	
+   1.6187678e+02	   1.3455810e-18	
+   1.7077617e+02	   1.2752543e-18	
+   1.8016482e+02	   1.2085812e-18	
+   1.9006963e+02	   1.1453706e-18	
+   2.0051896e+02	   1.0854414e-18	
+   2.1154277e+02	   1.0286221e-18	
+   2.2317262e+02	   9.7474986e-19	
+   2.3544184e+02	   9.2367033e-19	
+   2.4838557e+02	   8.7523723e-19	
+   2.6204090e+02	   8.2931184e-19	
+   2.7644696e+02	   7.8576263e-19	
+   2.9164501e+02	   7.4446488e-19	
+   3.0767859e+02	   7.0530034e-19	
+   3.2459363e+02	   6.6815688e-19	
+   3.4243861e+02	   6.3292815e-19	
+   3.6126464e+02	   5.9951334e-19	
+   3.8112565e+02	   5.6781681e-19	
+   4.0207855e+02	   5.3774788e-19	
+   4.2418337e+02	   5.0922057e-19	
+   4.4750342e+02	   4.8215331e-19	
+   4.7210553e+02	   4.5646876e-19	
+   4.9806018e+02	   4.3209358e-19	
+   5.2544171e+02	   4.0895821e-19	
+   5.5432858e+02	   3.8699668e-19	
+   5.8480355e+02	   3.6614647e-19	
+   6.1695392e+02	   3.4634826e-19	
+   6.5087180e+02	   3.2754585e-19	
+   6.8665436e+02	   3.0968596e-19	
+   7.2440411e+02	   2.9271811e-19	
+   7.6422921e+02	   2.7659446e-19	
+   8.0624375e+02	   2.6126975e-19	
+   8.5056810e+02	   2.4670113e-19	
+   8.9732923e+02	   2.3284807e-19	
+   9.4666113e+02	   2.1967229e-19	
+   9.9870511e+02	   2.0713764e-19	
+   1.0536103e+03	   1.9521006e-19	
+   1.1115339e+03	   1.8385746e-19	
+   1.1726420e+03	   1.7304971e-19	
+   1.2371096e+03	   1.6275856e-19	
+   1.3051214e+03	   1.5295758e-19	
+   1.3768722e+03	   1.4362213e-19	
+   1.4525676e+03	   1.3472932e-19	
+   1.5324245e+03	   1.2625798e-19	
+   1.6166716e+03	   1.1818861e-19	
+   1.7055503e+03	   1.1050334e-19	
+   1.7993153e+03	   1.0318592e-19	
+   1.8982351e+03	   9.6221637e-20	
+   2.0025931e+03	   8.9597306e-20	
+   2.1126884e+03	   8.3301184e-20	
+   2.2288363e+03	   7.7322915e-20	
+   2.3513696e+03	   7.1653442e-20	
+   2.4806394e+03	   6.6284921e-20	
+   2.6170159e+03	   6.1210612e-20	
+   2.7608899e+03	   5.6424763e-20	
+   2.9126736e+03	   5.1922491e-20	
+   3.0728018e+03	   4.7699653e-20	
+   3.2417332e+03	   4.3752717e-20	
+   3.4199519e+03	   4.0078645e-20	
+   3.6079684e+03	   3.6674775e-20	
+   3.8063214e+03	   3.3538718e-20	
+   4.0155790e+03	   3.0668257e-20	
+   4.2363410e+03	   2.8061238e-20	
+   4.4692395e+03	   2.5715433e-20	
+   4.7149421e+03	   2.3628350e-20	
+   4.9741524e+03	   2.1796944e-20	
+   5.2476132e+03	   2.0217222e-20	
+   5.5361079e+03	   1.8883727e-20	
+   5.8404629e+03	   1.7788968e-20	
+   6.1615503e+03	   1.6922917e-20	
+   6.5002899e+03	   1.6272736e-20	
+   6.8576521e+03	   1.5822905e-20	
+   7.2346609e+03	   1.5555806e-20	
+   7.6323962e+03	   1.5452701e-20	
+   8.0519975e+03	   1.5494869e-20	
+   8.4946670e+03	   1.5664683e-20	
+   8.9616729e+03	   1.5946425e-20	
+   9.4543530e+03	   1.6326756e-20	
+   9.9741189e+03	   1.6794870e-20	
+   1.0522460e+04	   1.7342411e-20	
+   1.1100946e+04	   1.7963240e-20	
+   1.1711236e+04	   1.8653130e-20	
+   1.2355077e+04	   1.9409460e-20	
+   1.3034314e+04	   2.0230924e-20	
+   1.3750893e+04	   2.1117283e-20	
+   1.4506867e+04	   2.2069157e-20	
+   1.5304402e+04	   2.3087868e-20	
+   1.6145782e+04	   2.4175310e-20	
+   1.7033418e+04	   2.5333857e-20	
+   1.7969854e+04	   2.6566294e-20	
+   1.8957771e+04	   2.7875771e-20	
+   2.0000000e+04	   2.9265764e-20	

examples/sagnac/master.py

@@ -43,6 +43,7 @@ def main():
 	extra = kat._kat__blocks['NO_BLOCK']
 
 	# adding homodyne detector
+	#kat.addLine('qhdS sens 180 nout1 nout2')
 	extra.contents.append('qhdS sens 180 nout1 nout2')
 	extra.contents.append('scale meter sens')
 	
@@ -51,10 +52,18 @@ def main():
 	result=OrderedDict()
 	legend = {}
 	
-	# getting mass of the light mirror of cavity a
+	# getting mass of the light mirror of cavity a	
 	global m
-	
 	m = kat.M1a.mass.value
+	# getting the anle of incidence on end mirrors:
+	AoI2 = float(kat.constants['AoI2'].value) / 180.*np.pi
+    # fsig applied to a BS with AoI!=0 reduces the phase
+	# change for a given signal in meters. Thus to make the
+	# finesse results comaptible with the default SQL we need
+	# to scale the results with cos(AoI):
+	global AoIScale
+	AoIScale=np.cos(AoI2)
+	# setting frequency range
 	global f
 	f = namedtuple('f', ('start','stop','points','data'))
 	f.start=100
@@ -62,44 +71,65 @@ def main():
 	f.points = 100
 	kat.parseKatCode('xaxis sig1 f log {0} {1} {2}'.format(f.start, f.stop, f.points-1))
 
+	# Reading Haixing Miao's reference data:
+	datah1=np.loadtxt('QN_Sagnac_25ppm_loss.dat')
+	datah2=np.loadtxt('QN_Sagnac_lossless.dat')
+	
 	print "--------------------------------------------------------"
-	print " 0. Run default file"
+	print " Run default file (no loss)"
 	out = kat.run()
 	#f.data = np.logspace(np.log10(f.start), np.log10(f.stop), f.points)
 	f.data=out.x # getting frequency vector from Finesse instead
 	
 	print "--------------------------------------------------------"
-	print " 1. Computing SQL"
+	print " Computing SQL"
 	hbar=6.62606957E-34/(2.0 *np.pi)
 	SQL_x= np.sqrt( 4 * hbar / ( m * f.data**2 * 4 * np.pi * np.pi ))
 	legend['SQL']=mylegend('SQL','k')
 	result['SQL']=SQL_x
-	result['default']=out.y
-	legend['default']=mylegend('Stefan D. example file','b')
+	result['default']=out.y*AoIScale
+	legend['default']=mylegend('Finesse, no loss','m')
 
-	print "--------------------------------------------------------"
-	print " 2. Open ETM ports, i.e. replacing dump nodes"
-	kat.M2a.remove()
-	kat.M3a.remove()
-	kat.parseCommands('bs1 M2a $T_ETM 0 0 0 nM2aw nM2an nM2aT1 nM2aT2')
-	kat.parseCommands('bs1 M3a $T_ETM 0 0 0 nM3aw nM3an nM3aT1 nM3aT2')
-	kat.M2b.remove()
-	kat.M3b.remove()
-	kat.parseCommands('bs1 M2b $T_ETM 0 0 0 nM2bw nM2bn nM2bT1 nM2bT2')
-	kat.parseCommands('bs1 M3b $T_ETM 0 0 0 nM3bw nM3bn nM3bT1 nM3bT2')
-	out=kat.run()	
-	result['open']=out.y
-	legend['open']=mylegend('Opening M2/M3 ports','r')
+	result['H1']=datah1[:,1]
+	legend['H1']=mylegend('Haixing, no loss','k')
+	legend['H1'].lt='--.'
 
 	print "--------------------------------------------------------"
-	print " 3. Imbalanced BS"
-	result['bs']=imbalanced_bs(kat)
-	legend['bs']=mylegend('Imbalanced BS 49:51','g')
+	print " Run file with loss (or transmission) on end mirrors"
+	L=12.5e-6
+	#L=0
+	#T=25e-6
+	T=0
+	R=1-T-L
+	kat.M2a.R=R
+	kat.M3a.R=R
+	kat.M2b.R=R
+	kat.M3b.R=R
+	kat.M2a.T=T
+	kat.M3a.T=T
+	kat.M2b.T=T
+	kat.M3b.T=T
+	kat.M2a.L=L
+	kat.M3a.L=L
+	kat.M2b.L=L
+	kat.M3b.L=L
+	out=kat.run()
+	result['loss']=out.y*AoIScale
+	legend['loss']=mylegend('Finesse, 25ppm loss','b')
 
+	result['H2']=datah2[:,1]
+	legend['H2']=mylegend('Haixing, 25ppm loss','k')
+	legend['H2'].lt='-.'
+	
 	print "--------------------------------------------------------"
-	print " 3. Mass asymmetry"
-	result['mass']=mass(kat)
-	legend['mass']=mylegend('Mass asymmetry 10%','c')
+	print " Additional imbalanced BS"
+	result['bs']=imbalanced_bs(kat)*AoIScale
+	legend['bs']=mylegend('Imbalanced BS 49:51','r')
+
+	#print "--------------------------------------------------------"
+	#print " Mass asymmetry"
+	#result['mass']=mass(kat)*AoIScale
+	#legend['mass']=mylegend('Mass asymmetry 10%','c')
 
 	print "--------------------------------------------------------"
 	print " Plotting results"
@@ -129,20 +159,30 @@ def imbalanced_bs(tmpkat):
 	kat.M6.T=0.51
 	out=kat.run()
 	return out.y
-	
+
+
+def update_plot(f, result):
+	for i, T in enumerate(result.keys()):		
+		data=result[str(T)]
+		for j,f1 in enumerate(f):
+			lines[i].set_ydata(data(j))
+			fig.canvas.draw()
+		
 def plot_results(f, result, legend):
-	fig=pl.figure()
+	fig=pl.figure(232)
+	fig.clear()
 	N=len(result)
+	lines={}
 	for i, T in enumerate(result.keys()):
 		data=result[str(T)]
-		pl.plot(f.data, data,legend[str(T)].lt, color=legend[str(T)].color, label=legend[str(T)].text, lw=legend[str(T)].lw)
+		lines[i],=pl.plot(f.data, data,legend[str(T)].lt, color=legend[str(T)].color, label=legend[str(T)].text, lw=legend[str(T)].lw)
 		#line.set_dashes([12, 4]) 
 
 	ax=pl.gca()
 	ax.set_yscale('log')
 	ax.set_xscale('log')
-	pl.xlabel("f [Hz}")
-	pl.ylabel("Sensitivity [m/sqrt(hz)]")
+	pl.xlabel("f [Hz]")
+	pl.ylabel("Sensitivity [m/sqrt(Hz)]")
 	pl.xlim([f.start,f.stop])
 	pl.ylim([1E-20, 2E-17])
 	pl.grid()

examples/sagnac/sagnac_base.kat

@@ -6,17 +6,20 @@
 # Andreas Freise, 30.10.2014
 #
 # The parameters below don't necessarily match the current 
-# speedmeter design, instead they were chosen to match Stefan 
-# Danilishin's Matlab example for comparison. However, you can 
-# easily change the parameters to an updated design without 
-# problem. No special tuning or so is required.
+# speedmeter design, instead they were chosen to fit an example
+# file from Stefan Danilishin. However, you can easily change 
+# the parameters to an updated design without problem.
 #################################################################
 
 ## general constants
 const Pin 0.6 # double the power at the BS, which for this example is 0.3W
 const MassM1 1m # Mass M1 in [kg]: 1 gramm
-const MassM23 100m # Mass M2, M3: 100 gramm
-const T_ETM 12.5u # transmission of cavity end mirrors (cavity loss)
+const MassM23 100 # Mass M2, M3: 100 gramm
+const T_ETM 0u # transmission of cavity end mirrors (cavity loss)
+const L_ETM 0u # loss of cavity end mirrors (cavity loss)
+
+const AoI 0  # angle of incidence on input mirror (4.4 deg)
+const AoI2 0 # angle of incidence on end mirror (42.8 deg)
 
 ## lengths of some ray segments
 const lrs2 0.250
@@ -50,21 +53,14 @@ s rs7 $lrs7 nM6e nM7w
 bs M7 1 0 0 49.39870535E0 nM7w nM7n dump dump 
 s rs8 $lrs8 nM7n nM1an
 
-bs1 M1a 500u 0 0 0 nM1aw nM1an nM1ae nM1as 
+bs1 M1a 500u 0 0 $AoI nM1aw nM1an nM1ae nM1as 
 attr M1a Rc -7.91
 attr M1a mass $MassM1 
 s rs12 1.315 nM3an nM1ae
-##################################################################
-# Note that the following lines are 'wrong'. The 'dump' notes
-# are not open ports, i.e. even with the transmssion of the ETMs
-# non-zero, no quantum noise will enter through this port. 
-# I am using dump notes here to match Stefan's example calculation,
-# but you should not use 'dump' nodes with any mirror or BS that
-# has non-zero losses or transmission  
-bs1 M3a $T_ETM 0 0 0 nM3aw nM3an dump dump #nM3aT1 nM3aT2
+bs1 M3a $T_ETM $L_ETM 0 $AoI2 nM3aw nM3an nM3aT1 nM3aT2
 attr M3a mass $MassM23
 s rs11 0.2 1. nM2an nM3aw   
-bs1 M2a $T_ETM 0 0 0 nM2aw nM2an dump dump #nM2aT1 nM2aT2 
+bs1 M2a $T_ETM $L_ETM 0 $AoI2 nM2aw nM2an nM2aT1 nM2aT2 
 attr M2a mass $MassM23
 s rs10 1.315  nM1as nM2aw   
 cav AC_a M1a nM1as M1a nM1ae
@@ -83,21 +79,14 @@ s rs26 $lrs26 nM8n nM1bw
 
 #################################################################
 ## Cavity b
-bs1 M1b 500u 0 0 0 nM1bw nM1bn nM1be nM1bs  
+bs1 M1b 500u 0 0 $AoI nM1bw nM1bn nM1be nM1bs  
 attr M1b Rc -7.91
 attr M1b mass $MassM1 
 s rs19 1.315 nM1be nM2bw
-##################################################################
-# Note that the following lines are 'wrong'. The 'dump' notes
-# are not open ports, i.e. even with the transmssion of the ETMs
-# non-zero, no quantum noise will enter through this port. 
-# I am using dump notes here to match Stefan's example calculation,
-# but you should not use 'dump' nodes with any mirror or BS that
-# has non-zero losses or transmission    
-bs1 M2b $T_ETM 0 0 0 nM2bw nM2bn dump dump #nM2bT1 nM2bT2      
+bs1 M2b $T_ETM $L_ETM 0 $AoI2 nM2bw nM2bn nM2bT1 nM2bT2      
 attr M2b mass $MassM23 
 s rs20 0.2 nM2bn nM3bw   
-bs1 M3b $T_ETM 0 0 0 nM3bw nM3bn dump dump #nM3bT1 nM3bT2
+bs1 M3b $T_ETM $L_ETM 0 $AoI2 nM3bw nM3bn nM3bT1 nM3bT2
 attr M3b mass $MassM23
 s rs21 1.315 nM3bn nM1bs   
 cav AC_b M1b nM1bs M1b nM1be
@@ -124,7 +113,7 @@ bs dHD .5 .5 0 0 nHD1 nout1 nout2 nl3
 
 # homodyne detector, use 180 deg phase for normal use, i.e. output=nout1-nout2
 #qhdS sens 180 nout1 nout2
-# scale output to m/sqrt(Hz)
+# re-scaling output to m/sqrt(Hz)
 #scale meter sens
 
 %xaxis sig1 f log 100 100k 99