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components.py 36.60 KiB
# -*- coding: utf-8 -*-
"""
Created on Mon Jan 28 11:10:01 2013
@author: Daniel
"""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
from pykat import USE_GUI, HAS_OPTIVIS, NoGUIException
import pykat.external.six as six
if six.PY2:
import exceptions
import pykat.exceptions as pkex
import pykat
from pykat.node_network import *
from pykat.exceptions import *
import abc
from pykat.SIfloat import *
from pykat.param import Param, AttrParam
import weakref
import pykat.exceptions as pkex
from copy import deepcopy
next_component_id = 1
from pykat import USE_GUI, NoGUIException
if USE_GUI:
import pykat.gui.resources
import pykat.gui.graphics
from pykat.gui.graphics import *
class NodeGaussSetter(object):
def __init__(self, component, node):
self.__comp = weakref.ref(component)
self.__node = weakref.ref(node)
self.__name = None
@property
def name(self):
return self.__name
@name.setter
def name(self, value):
self.__name = str(value)
@property
def node(self):
return self.__node()
@property
def q(self):
return self.__node().qx
@q.setter
def q(self, value):
self.__node().setGauss(self.__comp(), complex(value))
@property
def qx(self):
return self.__node().qx
@qx.setter
def qx(self, value):
self.__node().setGauss(self.__comp(), complex(value))
@property
def qy(self):
return self.__node().qy
@qy.setter
def qy(self, value):
self.__node().setGauss(self.__comp(), self.qx, complex(value))
class Component(object):
__metaclass__ = abc.ABCMeta
def __init__(self, name):
self.__name = name
self._svgItem = None
self._requested_node_names = []
self._kat = None
self.tag = None
self._params = []
self.__removed = False
self._default_fsig_param = None
# store a unique ID for this component
global next_component_id
self.__id = next_component_id
next_component_id += 1
# This creates an instance specific class for the component
# this enables us to add properties to instances rather than
# all classes
cls = type(self)
self.__class__ = type(cls.__name__, (cls,), {})
def _register_param(self, param):
self._params.append(param)
def _default_fsig(self):
"""
Returns what Finesse internally determines as the default
fsig parameter. This is used mainly for parsing fsig command
lines where no target parameter is stated.
"""
if self._default_fsig_param != None:
if not self._default_fsig_param.canFsig:
raise pkex.BasePyKatException("Default fsig parameter %s is not possible to fsig" % (self.__default_fsig_param.name))
else:
return self._default_fsig_param
else:
return None
def _on_kat_add(self, kat):
"""
Called when this component has been added to a kat object.
kat is the finesse.kat object which it now belongs to and
node_array is an array specific to this object which contains
references to the nodes that are attached to it.
"""
if self._kat != None:
raise pkex.BasePyKatException("Component has already been added to a finesse.kat object")
self._kat = kat
kat.nodes.registerComponentNodes(self, self._requested_node_names, self.__on_node_change)
def __on_node_change(self):
# need to update the node gauss parameter setter members
self.__update_node_setters()
def __update_node_setters(self):
# check if any node setters have already been added. If so we
# need to remove them. This function should get called if the nodes
# are updated, either by some function call or the GUI
key_rm = [k for k in self.__dict__ if k.startswith("__nodesetter_", 0, 13)]
# now we have a list of which to remove
for key in key_rm:
ns = self.__dict__[key]
delattr(self, '__nodesetter_' + ns.node.name)
delattr(self.__class__, ns.node.name)
for node in self.nodes:
if type(node) != pykat.node_network.DumpNode:
ns = NodeGaussSetter(self, node)
self.__add_node_setter(ns)
def __add_node_setter(self, ns):
if not isinstance(ns, NodeGaussSetter):
raise exceptions.ValueError("Argument is not of type NodeGaussSetter")
name = ns.node.name
fget = lambda self: self.__get_node_setter(name)
setattr(self.__class__, name, property(fget))
setattr(self, '__nodesetter_' + name, ns)
def __get_node_setter(self, name):
return getattr(self, '__nodesetter_' + name)
@staticmethod
@abc.abstractmethod
def parseFinesseText(text):
"""Parses Finesse syntax"""
raise NotImplementedError("This function is not implemented")
@abc.abstractmethod
def getFinesseText(self):
""" Base class for individual Finesse optical components """
raise NotImplementedError("This function is not implemented")
@abc.abstractmethod
def getQGraphicsItem(self):
if not USE_GUI:
raise NoGUIException
return None
@property
def removed(self): return self.__removed
@property
def nodes(self): return self._kat.nodes.getComponentNodes(self)
@property
def name(self): return self.__name
@property
def id(self): return self.__id
def __str__(self): return self.name
def remove(self):
self._kat.remove(self)
# inform all parameters that we have removed its owner
# so that it can then warn about any puts/vars/xaxis
for p in self._params:
p._onOwnerRemoved()
del self._params[:]
self.__removed = True
class AbstractMirrorComponent(Component):
__metaclass__ = abc.ABCMeta
def __init__(self, name, R=None, T=None, L=None, phi=0, Rcx=None, Rcy=None, xbeta=None, ybeta=None, mass=None, r_ap=None, Ix=None, Iy=None, zmech=None, rxmech=None, rymech=None):
super(AbstractMirrorComponent, self).__init__(name)
if (L != None and R != None and T != None) and SIfloat(R)+SIfloat(T)+SIfloat(L) != 1:
raise pkex.BasePyKatException('L+R+T must equal 1 if all are specified at {0}'.format(self.name))
elif (R != None and L is None and T != None):
L = 1- (SIfloat(R)+SIfloat(T))
elif (R is None and L != None and T != None):
R = 1 - (SIfloat(L)+SIfloat(T))
elif (R != None and L != None and T is None):
T = 1 - (SIfloat(L)+SIfloat(R))
elif (L is None and R is None and T is None):
raise pkex.BasePyKatException('Must specify at least two of L, R or T')
self.__R = Param("R", self, SIfloat(R))
self.__T = Param("T", self, SIfloat(T))
self.__L = Param("L", self, SIfloat(L))
self.__phi = Param("phi", self, SIfloat(phi), canFsig=True, fsig_name="phase")
self.__Rcx = AttrParam("Rcx", self, SIfloat(Rcx))
self.__Rcy = AttrParam("Rcy", self, SIfloat(Rcy))
self.__xbeta = AttrParam("xbeta", self, SIfloat(xbeta), canFsig=True, fsig_name="x")
self.__ybeta = AttrParam("ybeta", self, SIfloat(ybeta), canFsig=True, fsig_name="y")
self.__mass = AttrParam("mass", self, SIfloat(mass))
self.__Ix = AttrParam("Ix", self, SIfloat(Ix))
self.__Iy = AttrParam("Iy", self, SIfloat(Iy))
self.__r_ap = AttrParam("r_ap", self, SIfloat(r_ap))
self.__zmech = AttrParam("zmech", self, zmech)
self.__rxmech = AttrParam("rxmech", self, rxmech)
self.__rymech = AttrParam("rymech", self, rymech)
self.__z = Param("z", self, 0, canFsig=True, isPutable=False, isPutter=False, isTunable=False, fsig_name="z")
self.__rx = Param("rx", self, 0, canFsig=True, isPutable=False, isPutter=False, isTunable=False, fsig_name="rx")
self.__ry = Param("ry", self, 0, canFsig=True, isPutable=False, isPutter=False, isTunable=False, fsig_name="ry")
self.__Fz = Param("Fz", self, 0, canFsig=True, isPutable=False, isPutter=False, isTunable=False, fsig_name="Fz")
self.__Frx = Param("Frx", self, 0, canFsig=True, isPutable=False, isPutter=False, isTunable=False, fsig_name="Frx")
self.__Fry = Param("Fry", self, 0, canFsig=True, isPutable=False, isPutter=False, isTunable=False, fsig_name="Fry")
self._default_fsig_param = self.__phi
@property
def z(self): return self.__z
@property
def Fz(self): return self.__Fz
@property
def rx(self): return self.__rx
@property
def Frx(self): return self.__Frx
@property
def ry(self): return self.__ry
@property
def Fry(self): return self.__Fry
@property
def L(self): return self.__L
@L.setter
def L(self,value): self.__L.value = SIfloat(value)
@property
def r_ap(self): return self.__r_ap
@r_ap.setter
def r_ap(self,value): self.__r_ap.value = SIfloat(value)
@property
def mass(self): return self.__mass
@mass.setter
def mass(self,value): self.__mass.value = SIfloat(value)
@property
def Ix(self): return self.__Ix
@Ix.setter
def Ix(self,value): self.__Ix.value = SIfloat(value)
@property
def Iy(self): return self.__Iy
@Iy.setter
def Iy(self,value): self.__Iy.value = SIfloat(value)
@property
def R(self): return self.__R
@R.setter
def R(self,value): self.__R.value = SIfloat(value)
@property
def T(self): return self.__T
@T.setter
def T(self,value): self.__T.value = SIfloat(value)
@property
def phi(self): return self.__phi
@phi.setter
def phi(self,value): self.__phi.value = SIfloat(value)
@property
def Rcx(self): return self.__Rcx
@Rcx.setter
def Rcx(self,value): self.__Rcx.value = SIfloat(value)
@property
def Rcy(self): return self.__Rcy
@Rcy.setter
def Rcy(self,value): self.__Rcy.value = SIfloat(value)
@property
def xbeta(self): return self.__xbeta
@xbeta.setter
def xbeta(self,value): self.__xbeta.value = SIfloat(value)
@property
def ybeta(self): return self.__ybeta
@ybeta.setter
def ybeta(self,value): self.__ybeta.value = SIfloat(value)
@property
def zmech(self): return self.__zmech
@zmech.setter
def zmech(self,value): self.__zmech.value = value
@property
def rxmech(self): return self.__rxmech
@rxmech.setter
def rxmech(self,value): self.__rxmech.value = value
@property
def rymech(self): return self.__rymech
@rymech.setter
def rymech(self,value): self.__rymech.value = value
@property
def Rc(self):
if self.Rcx == self.Rcy:
return self.Rcx
else:
return [self.Rcx, self.Rcy]
@Rc.setter
def Rc(self,value):
self.Rcx.value = SIfloat(value)
self.Rcy.value = SIfloat(value)
def parseAttribute(self, key, value):
if key in ["Rcx", "Rx", "ROCx", "rx", "rcx", "rocx"]:
self.Rcx = value
elif key in ["Rcy", "Ry", "ROCy", "ry", "rcy", "rocy"]:
self.Rcy = value
elif key in ["Rc", "ROC", "r", "rc", "roc"]:
self.Rc = value
elif key in ["M","m", "Mass", "mass"]:
self.mass = value
elif key in ["xbeta", "xBeta"]:
self.xbeta = value
elif key in ["ybeta","yBeta"]:
self.ybeta = value
elif key in ["x_off"]:
self.x_offset = value
elif key in ["y_off"]:
self.y_offset = value
elif key in ["r_ap"]:
self.r_ap = value
elif key in ["Ix","ix"]:
self.Ix = value
elif key in ["Iy","iy"]:
self.Iy = value
elif key in ["zmech", "mech"]:
self.zmech = value
elif key in ["rxmech"]:
self.rxmech = value
elif key in ["rymech"]:
self.rymech = value
else:
return False
return True
class mirror(AbstractMirrorComponent):
def __init__(self,name,node1,node2,R=None,T=None,L=None,phi=0,Rcx=None,Rcy=None,xbeta=None,ybeta=None,mass=None, r_ap=None):
super(mirror, self).__init__(name, R, T, L, phi, Rcx, Rcy, xbeta, ybeta, mass, r_ap)
self._requested_node_names.append(node1)
self._requested_node_names.append(node2)
def parseAttributes(self, values):
for key in values.keys():
if not self.parseAttribute(key, values[key]):
raise pkex.BasePyKatException("No attribute {0} for mirrors".format(key))
@staticmethod
def parseFinesseText(text):
values = text.split()
if values[0] != "m" and values[0] != "m1" and values[0] != "m2":
raise pkex.BasePyKatException("'{0}' not a valid Finesse mirror command".format(text))
if len(values) != 7:
raise pkex.BasePyKatException("Mirror Finesse code format incorrect '{0}'".format(text))
if len(values[0])==1:
values.pop(0) # remove initial value
return mirror(values[0], values[4], values[5], L=None, R=values[1], T=values[2], phi=values[3])
else:
if values[0][1]=="1":
values.pop(0) # remove initial value
return mirror(values[0], values[4], values[5], R=None, L=values[2], T=values[1], phi=values[3])
else:
values.pop(0) # remove initial value
return mirror(values[0], values[4], values[5], T=None, R=values[1], L=values[2], phi=values[3])
def getFinesseText(self):
if self.R+self.T+self.L > 1:
raise pkex.BasePyKatException("Mirror {0} has R+T+L > 1".format(self.name))
rtn = []
rtn.append('m {0} {1} {2} {3} {4} {5}'.format(
self.name, self.R.value, self.T.value, self.phi.value,
self.nodes[0].name, self.nodes[1].name))
for p in self._params:
rtn.extend(p.getFinesseText())
return rtn
def getQGraphicsItem(self):
if not USE_GUI:
raise NoGUIException
if self._svgItem == None:
self._svgItem = pykat.gui.graphics.ComponentQGraphicsItem(":/resources/mirror_flat.svg", self ,[(-4,15,self.nodes[0]), (14,15,self.nodes[1])])
return self._svgItem
class beamSplitter(AbstractMirrorComponent):
def __init__(self, name, node1, node2, node3, node4, R = None, T = None, L=None, phi = 0, alpha = 0, Rcx = None, Rcy = None, xbeta = None, ybeta = None, mass = None, r_ap = None):
super(beamSplitter, self).__init__(name, R, T, L, phi, Rcx, Rcy, xbeta, ybeta, mass, r_ap)
self._requested_node_names.append(node1)
self._requested_node_names.append(node2)
self._requested_node_names.append(node3)
self._requested_node_names.append(node4)
self.__alpha = Param("alpha", self, SIfloat(alpha))
@property
def alpha(self): return self.__alpha
@alpha.setter
def alpha(self,value): self.__alpha.value = SIfloat(value)
def parseAttributes(self, values):
for key in values.keys():
if not self.parseAttribute(key, values[key]):
if key == "alpha":
self.alpha = values[key]
else:
raise pkex.BasePyKatException("No attribute {0} for mirrors".format(key))
@staticmethod
def parseFinesseText(text):
values = text.split()
if values[0] != "bs" and values[0] != "bs1" and values[0] != "bs2":
raise pkex.BasePyKatException("'{0}' not a valid Finesse beam splitter command".format(text))
if len(values) != 10:
raise pkex.BasePyKatException("Beam splitter Finesse code format incorrect '{0}'".format(text))
if len(values[0])==2:
values.pop(0) # remove initial value
return beamSplitter(values[0], values[5], values[6], values[7], values[8],
values[1], values[2], None, values[3], values[4])
elif values[0][2]=="1":
values.pop(0) # remove initial value
return beamSplitter(values[0], values[5], values[6], values[7], values[8],
None, values[1], values[2], values[3], values[4])
else:
values.pop(0) # remove initial value
return beamSplitter(values[0], values[5], values[6], values[7], values[8],
values[1], None, values[2], values[3], values[4])
def getFinesseText(self):
if self.R+self.T+self.L > 1:
raise pkex.BasePyKatException("Beamsplitter {0} has R+T+L > 1".format(self.name))
rtn = []
rtn.append('bs {0} {1} {2} {3} {4} {5} {6} {7} {8}'.format(
self.name, self.R.value, self.T.value, self.phi.value,
self.alpha.value, self.nodes[0].name,
self.nodes[1].name, self.nodes[2].name,
self.nodes[3].name))
for p in self._params:
rtn.extend(p.getFinesseText())
return rtn
def getQGraphicsItem(self):
if not USE_GUI:
raise NoGUIException
if self._svgItem == None:
# FIXME: make proper SVG component for beam splitter
self._svgItem = pykat.gui.graphics.ComponentQGraphicsItem(":/resources/mirror_flat.svg", self ,[(-4,24,self.nodes[0]), (-4,6,self.nodes[1]), (14,6,self.nodes[2]), (14,24,self.nodes[3])])
return self._svgItem
class space(Component):
def __init__(self, name, node1, node2, L = 0, n = 1, g = None, gx = None, gy = None):
Component.__init__(self, name)
self._requested_node_names.append(node1)
self._requested_node_names.append(node2)
self._QItem = None
self.__L = Param("L", self, SIfloat(L), canFsig=True, fsig_name="phase")
self.__n = Param("n", self, SIfloat(n))
self.__gx = AttrParam("gx", self, gx)
self.__gy = AttrParam("gy", self, gy)
self._default_fsig_param = self.__L
@property
def L(self): return self.__L
@L.setter
def L(self,value): self.__L.value = SIfloat(value)
@property
def n(self): return self.__n
@n.setter
def n(self,value): self.__n.value = SIfloat(value)
@property
def g(self):
if self.__gx.value == self.__gy.value:
return self.__g
else:
raise pkex.BasePyKatException("Gouy phase in x and y directions are different, use gx and gy properties instead")
@g.setter
def g(self,value):
self.__gx.value = SIfloat(value)
self.__gy.value = SIfloat(value)
@property
def gx(self): return self.__gx
@gx.setter
def gx(self,value): self.__gx.value = SIfloat(value)
@property
def gy(self): return self.__gy
@gy.setter
def gy(self,value): self.__gy.value = SIfloat(value)
def parseAttributes(self, values):
for key in values.keys():
if key in ["gx","gouyx"]:
self.__gx.value = values[key]
elif key in ["gy", "gouyy"]:
self.__gy.value = values[key]
elif key in ["g","gouy"]:
self.__gx.value = values[key]
self.__gy.value = values[key]
else:
raise pkex.BasePyKatException("No attribute {0} for spaces".format(key))
@staticmethod
def parseFinesseText(text):
values = text.split()
if values[0] != "s":
raise pkex.BasePyKatException("'{0}' not a valid Finesse space command".format(text))
values.pop(0) # remove initial value
if len(values) == 5:
return space(values[0], values[3], values[4], values[1], values[2])
elif len(values) == 4:
return space(values[0], values[2], values[3], values[1])
else:
raise pkex.BasePyKatException("Space Finesse code format incorrect '{0}'".format(text))
def getFinesseText(self):
rtn = []
if self.__n == 1:
rtn.append('s {0} {1} {2} {3}'.format(self.name, self.__L.value, self.nodes[0].name, self.nodes[1].name))
else:
rtn.append('s {0} {1} {2} {3} {4}'.format(self.name, self.__L.value, self.__n.value, self.nodes[0].name, self.nodes[1].name))
for p in self._params:
rtn.extend(p.getFinesseText())
return rtn
def getQGraphicsItem(self):
if not USE_GUI:
raise NoGUIException
if self._QItem == None:
self._QItem = pykat.gui.graphics.SpaceQGraphicsItem(self)
return self._QItem
class grating(Component):
def __init__(self, name, node1, node2, node3 = None, node4 = None, n = 2, d = 0, eta_0 = None, eta_1 = None, eta_2 = None, eta_3 = None, rho_0 = None, alpha = None): # TODO: implement Rcx, Rcy and Rc
Component.__init__(self, name)
self._requested_node_names.append(node1)
self._requested_node_names.append(node2)
if n > 2:
if node3 != None:
self._requested_node_names.append(node3)
else:
raise pkex.BasePyKatException("Grating node 3 not specified")
if n > 3:
if node4 != None:
self._requested_node_names.append(node4)
else:
raise pkex.BasePyKatException("Grating node 4 not specified")
if n > 4 or n < 2:
raise pkex.BasePyKatException("Grating must have between 2 and 4 ports")
self.__n = n
self.__d = Param("d", self, SIfloat(d))
self.__eta_0 = AttrParam("eta_0", self, SIfloat(eta_0))
self.__eta_1 = AttrParam("eta_1", self, SIfloat(eta_1))
self.__eta_2 = AttrParam("eta_2", self, SIfloat(eta_2))
self.__eta_3 = AttrParam("eta_3", self, SIfloat(eta_3))
self.__rho_0 = AttrParam("rho_0", self, SIfloat(rho_0))
self.__alpha = AttrParam("alpha", self, SIfloat(alpha))
self._svgItem = None
@property
def n(self): return Param('n', self.__n)
@n.setter
def n(self, value):
if value < 2 or value > 4:
raise pkex.BasePyKatException("Grating must have between 2 and 4 ports")
else:
self.__n = value
@property
def d(self): return self.__d
@d.setter
def d(self, value): self.__d.value = SIfloat(value)
@property
def eta_0(self): return self.__eta_0
@eta_0.setter
def eta_0(self, value): self.__eta_0.value = SIfloat(value)
@property
def eta_1(self): return self.__eta_1
@eta_1.setter
def eta_1(self, value): self.__eta_1.value = SIfloat(value)
@property
def eta_2(self): return self.__eta_2
@eta_2.setter
def eta_2(self, value): self.__eta_2.value = SIfloat(value)
@property
def eta_3(self): return self.__eta_3
@eta_3.setter
def eta_3(self, value): self.__eta_3.value = SIfloat(value)
@property
def rho_0(self): return self.__rho_0
@rho_0.setter
def rho_0(self, value): self.__rho_0.value = SIfloat(value)
@property
def alpha(self): return self.__alpha
@alpha.setter
def alpha(self, value): self.__alpha.value = SIfloat(value)
@staticmethod
def parseFinesseText(text):
values = text.split()
if values[0][0 : 2] != "gr":
raise pkex.BasePyKatException("'{0}' not a valid Finesse grating command".format(text))
if len(values[0]) > 2:
if int(values[0][2]) > 4 or int(values[0][2]) < 2:
raise pkex.BasePyKatException("Grating must have between 2 and 4 ports")
else:
n = int(values[0][2])
else:
n = 2
values.pop(0) # remove initial value
if n == 2:
if len(values) != 4:
raise pkex.BasePyKatException("Two port grating must have 2 nodes defined")
return grating(values[0], values[2], values[3], None, None, n, values[1])
elif n == 3:
if len(values) != 5:
raise pkex.BasePyKatException("Three port grating must have 3 nodes defined")
return grating(values[0], values[2], values[3], values[4], None, n, values[1])
else:
if len(values) != 6:
raise pkex.BasePyKatException("Four port grating must have 4 nodes defined")
return grating(values[0], values[2], values[3], values[4], values[5], n, values[1])
def getFinesseText(self):
rtn = []
if self.__n == 2:
rtn.append('gr{0} {1} {2} {3} {4}'.format(self.__n, self.name, self.__d.value, self.nodes[0].name, self.nodes[1].name))
elif self.__n == 3:
rtn.append('gr{0} {1} {2} {3} {4} {5}'.format(self.__n, self.name, self.__d.value, self.nodes[0].name, self.nodes[1].name, self.nodes[2].name))
else:
rtn.append('gr{0} {1} {2} {3} {4} {5} {6}'.format(self.__n, self.name, self.__d.value, self.nodes[0].name, self.nodes[1].name, self.nodes[2].name, self.nodes[3].name))
for p in self._params:
rtn.extend(p.getFinesseText())
return rtn
def getQGraphicsItem(self):
if not USE_GUI:
raise NoGUIException
if self._svgItem == None:
self._svgItem = pykat.gui.graphics.SpaceQGraphicsItem(self) # TODO: make SVG graphic for grating
return self._svgItem
class isolator(Component):
def __init__(self, name, node1, node2, S = 0, node3="dump"):
Component.__init__(self, name)
self._requested_node_names.append(node1)
self._requested_node_names.append(node2)
self._requested_node_names.append(node3)
self._svgItem = None
self.__S = Param("S",self,SIfloat(S))
@property
def S(self): return self.__S
@S.setter
def S(self, value): self.__S.value = SIfloat(value)
@staticmethod
def parseFinesseText(text):
values = text.split()
if values[0] != "isol":
raise pkex.BasePyKatException("'{0}' not a valid Finesse isolator command".format(text))
values.pop(0) # remove initial value
if len(values) == 4:
return isolator(values[0], values[2], values[3], values[1])
elif len(values) == 5:
return isolator(values[0], values[2], values[3], node3=values[4], S=values[1])
else:
raise pkex.BasePyKatException("Isolator Finesse code format incorrect '{0}'".format(text))
def getFinesseText(self):
rtn = ['isol {0} {1} {2} {3} {4}'.format(self.name, self.S.value, self.nodes[0].name, self.nodes[1].name, self.nodes[2].name)]
for p in self._params:
rtn.extend(p.getFinesseText())
return rtn
def getQGraphicsItem(self):
if not USE_GUI:
raise NoGUIException
if self._svgItem == None:
self._svgItem = pykat.gui.graphics.ComponentQGraphicsItem(":/resources/isolator.svg", self ,[(-4,15,self.nodes[0]), (14,15,self.nodes[1]), (14,24,self.nodes[2])])
return self._svgItem
class lens(Component):
def __init__(self, name, node1, node2, f=1):
Component.__init__(self, name)
self._requested_node_names.append(node1)
self._requested_node_names.append(node2)
self._svgItem = None
self.__f = Param("f", self, SIfloat(f))
@property
def f(self): return self.__f
@f.setter
def f(self, value): self.__f.value = SIfloat(value)
@staticmethod
def parseFinesseText(text):
values = text.split()
if values[0] != "lens":
raise pkex.BasePyKatException("'{0}' not a valid Finesse lens command".format(text))
values.pop(0) # remove initial value
if len(values) == 4:
return lens(values[0], values[2], values[3], values[1])
else:
raise pkex.BasePyKatException("Lens Finesse code format incorrect '{0}'".format(text))
def getFinesseText(self):
rtn = ['lens {0} {1} {2} {3}'.format(self.name, self.f.value, self.nodes[0].name, self.nodes[1].name)]
for p in self._params:
rtn.extend(p.getFinesseText())
return rtn
def getQGraphicsItem(self):
if not USE_GUI:
raise NoGUIException
if self._svgItem == None:
self._svgItem = pykat.gui.graphics.ComponentQGraphicsItem(":/resources/lens.svg", self ,[(-4,15,self.nodes[0]), (14,15,self.nodes[1])])
return self._svgItem
class modulator(Component):
def __init__(self, name, node1, node2, f, midx, order, modulation_type='pm', phase=0):
Component.__init__(self, name)
self._requested_node_names.append(node1)
self._requested_node_names.append(node2)
self._svgItem = None
self.__f = Param("f", self, SIfloat(f))
self.__midx = Param("midx", self, SIfloat(midx))
self.__phase = Param("phase", self, SIfloat(phase), canFsig=True, fsig_name="phase")
self.__order = order
self.type = modulation_type
self._default_fsig_param = self.__phase
@property
def f(self): return self.__f
@f.setter
def f(self, value): self.__f.value = SIfloat(value)
@property
def midx(self): return self.__midx
@midx.setter
def midx(self, value): self.__midx.value = SIfloat(value)
@property
def phase(self): return self.__phase
@phase.setter
def phase(self, value): self.__phase.value = SIfloat(value)
@property
def order(self): return self.__order
@order.setter
def order(self, value):
if value <= 1 and value > 6:
raise pkex.BasePyKatException("modulator order must be between 1 and 6")
self.__order = int(value)
@property
def type(self): return self.__type
@type.setter
def type(self, value):
if value != "am" and value != "pm":
raise pkex.BasePyKatException("Modulator type must be am (amplitude modulation) or pm (phase modulation)")
self.__type = str(value)
@staticmethod
def parseFinesseText(text):
v = text.split()
if v[0] != "mod":
raise pkex.BasePyKatException("'{0}' not a valid Finesse modulator command".format(text))
v.pop(0) # remove initial value
if len(v) == 7:
return modulator(v[0], v[5], v[6], v[1], v[2], v[3], v[4])
if len(v) == 8:
return modulator(v[0], v[6], v[7], v[1], v[2], v[3], v[4], phase=v[5])
else:
raise pkex.BasePyKatException("Modulator Finesse code format incorrect '{0}'".format(text))
def getFinesseText(self):
rtn = ['mod {0} {1} {2} {3} {4} {5} {6} {7}'.format(self.name, self.f, self.midx, self.order, self.type, self.phase, self.nodes[0].name, self.nodes[1].name)]
for p in self._params:
rtn.extend(p.getFinesseText())
return rtn
def getQGraphicsItem(self):
if not USE_GUI:
raise NoGUIException
if self._svgItem == None:
self._svgItem = pykat.gui.graphics.ComponentQGraphicsItem(":/resources/modulator.svg", self ,[(-4,15,self.nodes[0]), (14,15,self.nodes[1])])
return self._svgItem
class laser(Component):
def __init__(self, name, node, P=1, f=0, phase=0):
Component.__init__(self,name)
self._requested_node_names.append(node)
self.__power = Param("P", self, SIfloat(P), canFsig=True, fsig_name="amp")
self.__f_offset = Param("f", self, SIfloat(f), canFsig=True, fsig_name="f")
self.__phase = Param("phase", self, SIfloat(phase), canFsig=True, fsig_name="phase")
self.__noise = AttrParam("noise", self, None)
self._svgItem = None
self._default_fsig_param = self.__f_offset
@property
def P(self): return self.__power
@P.setter
def P(self,value): self.__power.value = float(value)
@property
def f(self): return self.__f_offset
@f.setter
def f(self,value): self.__f_offset.value = float(value)
@property
def phase(self): return self.__phase
@phase.setter
def phase(self,value): self.__phase.value = float(value)
def parseAttributes(self, values):
for key in values.keys():
if key == "noise":
self.__noise.value = values[key]
else:
raise pkex.BasePyKatException("No attribute {0} at laser".format(key))
@staticmethod
def parseFinesseText(text):
values = text.split()
if values[0] != "l":
raise pkex.BasePyKatException("'{0}' not a valid Finesse laser command".format(text))
values.pop(0) # remove initial value
if len(values) == 5:
return laser(values[0],values[4],P=values[1],f=values[2],phase=values[3])
elif len(values) == 4:
return laser(values[0],values[3],P=values[1],f=values[2], phase=0)
else:
raise exceptions.FinesseParse("Laser Finesse code format incorrect '{0}'".format(text))
def getFinesseText(self):
rtn = ['l {0} {1} {2} {3} {4}'.format(self.name, self.__power.value, self.__f_offset.value, self.__phase.value, self.nodes[0].name)]
for p in self._params:
rtn.extend(p.getFinesseText())
return rtn
def getQGraphicsItem(self):
if not USE_GUI:
raise NoGUIException
if self._svgItem == None:
self._svgItem = pykat.gui.graphics.ComponentQGraphicsItem(":/resources/laser.svg", self, [(65,25,self.nodes[0])])
return self._svgItem
class squeezer(Component):
def __init__(self, name, node, f=0, db=0, angle=0, phase=0):
Component.__init__(self,name)
self._requested_node_names.append(node)
self.__f = Param("f", self, SIfloat(f), canFsig=True, fsig_name="f")
self.__phase = Param("phase", self, SIfloat(phase), canFsig=True, fsig_name="phase")
self.__db = Param("db", self, SIfloat(db), canFsig=False, fsig_name="r")
self.__angle = Param("angle", self, SIfloat(angle), canFsig=False, fsig_name="angle")
self._svgItem = None
@property
def db(self): return self.__db
@db.setter
def db(self,value): self.__db.value = float(value)
@property
def angle(self): return self.__angle
@angle.setter
def angle(self,value): self.__angle.value = float(value)
@property
def f(self): return self.__f
@f.setter
def f(self,value): self.__f.value = float(value)
@property
def phase(self): return self.__phase
@phase.setter
def phase(self,value): self.__phase.value = float(value)
def parseAttributes(self, values):
pass
@staticmethod
def parseFinesseText(text):
values = text.split()
if values[0] != "sq":
raise pkex.BasePyKatException("'{0}' not a valid Finesse squeezer command".format(text))
values.pop(0) # remove initial value
if len(values) == 5:
return squeezer(values[0], values[4], f=values[1], db=values[2], angle=values[3])
else:
raise exceptions.FinesseParse("Squeezer Finesse code format incorrect '{0}'".format(text))
def getFinesseText(self):
rtn = ['sq {0} {1} {2} {3} {4}'.format(self.name, self.f.value, self.db.value, self.angle.value, self.nodes[0].name)]
for p in self._params:
rtn.extend(p.getFinesseText())
return rtn
def getQGraphicsItem(self):
if not USE_GUI:
raise NoGUIException
if self._svgItem == None:
self._svgItem = pykat.gui.graphics.ComponentQGraphicsItem(":/resources/laser.svg", self, [(65,25,self.nodes[0])])
return self._svgItem