def FindDCVoltages(self):
try:
m = 1.46e-25 # [kg] - Strontium
Ze = 1.602e-19 # [C] - singly ionized
m_over_Ze = m/Ze # [kg/C]
omega_rf = 2*np.pi*self.internal_state['FreqRF']*1000000 # [Hz] - rf frequency
v_rf = self.internal_state['VoltRF'] # [V]
Azz = 4*(2*np.pi*1000000*self.internal_state['SecularZ'])**2/omega_rf**2 #unitless curvature parameter
trap = iontrap.IonTrap(v_rf, m_over_Ze, omega_rf, None, self.filename)
if self.internal_state['XYTilt'] == 0:
curvature = m_over_Ze * omega_rf**2 * Azz/4
constraints = {trap.grad_potential_fn:[0,0,0], trap.hess_potential_fn_ij(2,2):curvature}
elif self.internal_state['XYTilt'] != 0:
tilt_theta = np.radians(self.internal_state['XYTilt'])
Axx = Azz*-1.5
Ayy = -Axx - Azz
C = m_over_Ze * omega_rf**2 / 4
curvature_xx = C * ((Axx*np.cos(tilt_theta))**2 + (Ayy*np.sin(tilt_theta))**2)
curvature_xy = C * (Axx - Ayy)*np.sin(2*tilt_theta) /2
curvature_zz = C * Azz
constraints = {trap.grad_potential_fn:[0,0,0],
trap.hess_potential_fn_ij(0,0):curvature_xx,
trap.hess_potential_fn_ij(0,1):curvature_xy,
trap.hess_potential_fn_ij(2,2):curvature_zz}
dcvoltages = trap.find_dc_voltages(constraints)
print dcvoltages
for key in dcvoltages:
dcvoltages[key]=round(dcvoltages[key],3)
if self.internal_state ['ElectrodeConst'] == 'noconstground' or self.internal_state ['ElectrodeConst'] == 'sideground' or self.internal_state ['ElectrodeConst'] == 'symground' or self.internal_state['ElectrodeConst']=='double':
if self.internal_state['ElectrodeConst'] == 'noconstground' or self.internal_state['ElectrodeConst']=='double':
self.internal_state['E0'] = dcvoltages['v0']
self.internal_state['E1'] = dcvoltages['v1']
self.internal_state['E2'] = dcvoltages['v2']
self.internal_state['E3'] = dcvoltages['v3']
self.internal_state['E4'] = dcvoltages['v4']
self.internal_state['E5'] = dcvoltages['v5']
self.internal_state['GND'] = dcvoltages['vg']
elif self.internal_state['ElectrodeConst'] == 'sideground':
self.internal_state['E0'] = dcvoltages['v0']
self.internal_state['E1'] = dcvoltages['v1']
self.internal_state['E2'] = dcvoltages['v2']
self.internal_state['E3'] = dcvoltages['vside']
self.internal_state['E4'] = dcvoltages['vside']
self.internal_state['E5'] = dcvoltages['vside']
self.internal_state['GND'] = dcvoltages['vg']
elif self.internal_state['ElectrodeConst'] == 'symground':
self.internal_state['E0'] = dcvoltages['vtop']
self.internal_state['E1'] = dcvoltages['vmid']
self.internal_state['E2'] = dcvoltages['vbottom']
self.internal_state['E3'] = dcvoltages['vtop']
self.internal_state['E4'] = dcvoltages['vmid']
self.internal_state['E5'] = dcvoltages['vbottom']
self.internal_state['GND'] = dcvoltages['vg']
if self.internal_state ['ElectrodeConst'] == 'noconst' or self.internal_state ['ElectrodeConst'] == 'side' or self.internal_state['ElectrodeConst'] == 'sym':
if self.internal_state['ElectrodeConst'] == 'noconst':
self.internal_state['E0'] = dcvoltages['v0']
self.internal_state['E1'] = dcvoltages['v1']
self.internal_state['E2'] = dcvoltages['v2']
self.internal_state['E3'] = dcvoltages['v3']
self.internal_state['E4'] = dcvoltages['v4']
self.internal_state['E5'] = dcvoltages['v5']
self.internal_state['GND'] = 0
elif self.internal_state['ElectrodeConst'] == 'side':
self.internal_state['E0'] = dcvoltages['v0']
self.internal_state['E1'] = dcvoltages['v1']
self.internal_state['E2'] = dcvoltages['v2']
self.internal_state['E3'] = dcvoltages['vside']
self.internal_state['E4'] = dcvoltages['vside']
self.internal_state['E5'] = dcvoltages['vside']
self.internal_state['GND'] = 0
elif self.internal_state['ElectrodeConst'] == 'sym':
self.internal_state['E0'] = dcvoltages['vtop']
self.internal_state['E1'] = dcvoltages['vmid']
self.internal_state['E2'] = dcvoltages['vbottom']
self.internal_state['E3'] = dcvoltages['vtop']
self.internal_state['E4'] = dcvoltages['vmid']
self.internal_state['E5'] = dcvoltages['vbottom']
self.internal_state['GND'] = 0
#updating secular x and y frequencies
trap2 = iontrap.IonTrap(v_rf, m_over_Ze, omega_rf, dcvoltages, self.filename)
secularfreqs2, trapaxes2 = trap2.find_omega_secular(dcvoltages, m_over_Ze, omega_rf)[0],trap2.find_omega_secular(dcvoltages, m_over_Ze, omega_rf)[1]
self.internal_state['SecularY']= round(secularfreqs2['omega_y']/(2*np.pi*1000000),3)
self.internal_state['SecularX']= round(secularfreqs2['omega_x']/(2*np.pi*1000000),3)
r_z2 = []
r_y2 = []
r_x2 = []
for i in trapaxes2['z-axis']:
r_z2.append(round(i,3))
for i in trapaxes2['y-axis']:
r_y2.append(round(i,3))
for i in trapaxes2['x-axis']:
r_x2.append(round(i,3))
self.internal_state['TrapAZ']= r_z2
self.internal_state['TrapAY']= r_y2
self.internal_state['TrapAX']= r_x2
except Exception as e:
print "Error: %s" %(str(e))
print traceback.format_exc()
def FindSecularFreqs(self):
try:
v_dict={}
if self.internal_state ['ElectrodeConst'] == 'noconstground' or self.internal_state ['ElectrodeConst'] == 'sideground' or self.internal_state ['ElectrodeConst'] == 'symground':
v_dict['vg']= self.internal_state['GND']
if self.internal_state['ElectrodeConst'] == 'noconstground' or self.internal_state['ElectrodeConst']=='double':
v_dict['v0']= self.internal_state['E0']+self.internal_state['VertComp']+self.internal_state['HorizComp']
v_dict['v1']= self.internal_state['E1']+self.internal_state['VertComp']+self.internal_state['HorizComp']
v_dict['v2']= self.internal_state['E2']+self.internal_state['VertComp']+self.internal_state['HorizComp']
v_dict['v3']= self.internal_state['E3']+self.internal_state['VertComp']-self.internal_state['HorizComp']
v_dict['v4']= self.internal_state['E4']+self.internal_state['VertComp']-self.internal_state['HorizComp']
v_dict['v5']= self.internal_state['E5']+self.internal_state['VertComp']-self.internal_state['HorizComp']
elif self.internal_state['ElectrodeConst'] == 'sideground':
v_dict['v0']= self.internal_state['E0']+self.internal_state['VertComp']+self.internal_state['HorizComp']
v_dict['v1']= self.internal_state['E1']+self.internal_state['VertComp']+self.internal_state['HorizComp']
v_dict['v2']= self.internal_state['E2']+self.internal_state['VertComp']+self.internal_state['HorizComp']
v_dict['vside']= self.internal_state['E3']+self.internal_state['VertComp']-self.internal_state['HorizComp']
elif self.internal_state['ElectrodeConst'] == 'symground':
v_dict['vtop']= self.internal_state['E0']+self.internal_state['VertComp']+self.internal_state['HorizComp']
v_dict['vmid']= self.internal_state['E1']+self.internal_state['VertComp']+self.internal_state['HorizComp']
v_dict['vbottom']= self.internal_state['E2']+self.internal_state['VertComp']+self.internal_state['HorizComp']
if self.internal_state ['ElectrodeConst'] == 'noconst' or self.internal_state ['ElectrodeConst'] == 'side' or self.internal_state ['ElectrodeConst'] == 'sym':
if self.internal_state['ElectrodeConst'] == 'noconst':
v_dict['v0']= self.internal_state['E0']+self.internal_state['VertComp']+self.internal_state['HorizComp']
v_dict['v1']= self.internal_state['E1']+self.internal_state['VertComp']+self.internal_state['HorizComp']
v_dict['v2']= self.internal_state['E2']+self.internal_state['VertComp']+self.internal_state['HorizComp']
v_dict['v3']= self.internal_state['E3']+self.internal_state['VertComp']-self.internal_state['HorizComp']
v_dict['v4']= self.internal_state['E4']+self.internal_state['VertComp']-self.internal_state['HorizComp']
v_dict['v5']= self.internal_state['E5']+self.internal_state['VertComp']-self.internal_state['HorizComp']
elif self.internal_state['ElectrodeConst'] == 'side':
v_dict['v0']= self.internal_state['E0']+self.internal_state['VertComp']+self.internal_state['HorizComp']
v_dict['v1']= self.internal_state['E1']+self.internal_state['VertComp']+self.internal_state['HorizComp']
v_dict['v2']= self.internal_state['E2']+self.internal_state['VertComp']+self.internal_state['HorizComp']
v_dict['vside']= self.internal_state['E3']+self.internal_state['VertComp']-self.internal_state['HorizComp']
elif self.internal_state['ElectrodeConst'] == 'sym':
v_dict['vtop']= self.internal_state['E0']+self.internal_state['VertComp']+self.internal_state['HorizComp']
v_dict['vmid']= self.internal_state['E1']+self.internal_state['VertComp']+self.internal_state['HorizComp']
v_dict['vbottom']= self.internal_state['E2']+self.internal_state['VertComp']+self.internal_state['HorizComp']
m = 1.46e-25 # [kg] - Strontium
Ze = 1.602e-19 # [C] - singly ionized
m_over_Ze = m/Ze # [kg/C]
omega_rf = 2*np.pi*self.internal_state['FreqRF']*1000000 # [Hz] - rf frequency
v_rf = self.internal_state['VoltRF'] # [V]
trap = iontrap.IonTrap(v_rf, m_over_Ze, omega_rf, v_dict, self.filename)
secularfreqs, trapaxes = trap.find_omega_secular(v_dict, m_over_Ze, omega_rf)[0],trap.find_omega_secular(v_dict, m_over_Ze, omega_rf)[1]
self.internal_state['SecularZ']= round(secularfreqs['omega_z']/(2*np.pi*1000000),3)
self.internal_state['SecularY']= round(secularfreqs['omega_y']/(2*np.pi*1000000),3)
self.internal_state['SecularX']= round(secularfreqs['omega_x']/(2*np.pi*1000000),3)
r_z = []
r_y = []
r_x = []
for i in trapaxes['z-axis']:
r_z.append(round(i,3))
for i in trapaxes['y-axis']:
r_y.append(round(i,3))
for i in trapaxes['x-axis']:
r_x.append(round(i,3))
self.internal_state['TrapAZ']= r_z
self.internal_state['TrapAY']= r_y
self.internal_state['TrapAX']= r_x
except Exception as e:
print "Error: %s" %(str(e))
print traceback.format_exc()
