Exemplo n.º 1
0
	def __init__(self, devFile):
		self.amps = AmpsManager()
		self.amps.loadDevice(devFile)
		self.fileName = devFile
		self.inverted = False
Exemplo n.º 2
0
 def __init__(self, devFile):
     self.amps = AmpsManager()
     self.amps.loadDevice(devFile)
     self.fileName = devFile
     self.inverted = False
Exemplo n.º 3
0
class WxAmpsDevice:
	def __init__(self, devFile):
		self.amps = AmpsManager()
		self.amps.loadDevice(devFile)
		self.fileName = devFile
		self.inverted = False
	
	def _getText(self, nodelist):
		rc = []
		for node in nodelist:
			if node.nodeType == node.TEXT_NODE:
				rc.append(node.data)
		return ''.join(rc)
	
	def _extract_extinction(self, alpha):
		entries = alpha.getElementsByTagName("waveLength")
		numEntries = len(entries)
		
		k_arr = np.ndarray([numEntries, 2])
		
		for i in xrange(0, numEntries):
			entry = entries[i]
			wave = float(entry.getAttribute("nm"))
			alpha = float(self._getText(entry.childNodes)) #alpha is in inverse meters for WxAmpsDevice
			k = alpha*wave*(10**-9)/(4*3.141592653)
			k_arr[i,0] = wave
			k_arr[i,1] = k
		
		return k_arr
	
	def optical_stack(self, **kw):
		dom = minidom.parse(self.fileName)
		
		dev = dom.getElementsByTagName("Device")[0]
		layerCount = int(dev.getAttribute("layers"))
		
		layers = dev.getElementsByTagName("Material")
		
		stack = OpticalStack()
		
		if len(layers) != layerCount:
			raise Exception("Device file seems to be invalid.  Cannot parse its optical stack.")
		
		for i in xrange(0, len(layers)):
			layer = layers[i]
			
			thickness = float(layer.getAttribute("thickness")) #in microns
			eps = float(self._getText(layer.getElementsByTagName("Electric")[0].getElementsByTagName("Dielectric")[0].childNodes))
			
			n = np.sqrt(eps)
			k = self._extract_extinction(layer.getElementsByTagName("Optical")[0].getElementsByTagName("alpha")[0])
			
			#Build layer
			material = OpticalMaterial(n, k, extend=True)
			film = OpticalFilm(material, thickness*1000) #convert from micron to nm
			stack.add_layer(film)
		
		#We invert devices in amps, but read the stack from the unchanged device file
		#so manually inver the layers if we're inverted.
		if self.inverted:
			return stack.reverse()
		
		#now set the appropriate boundary conditions if we need to
		if "extend" not in kw:
			return stack
		else:
			extend = kw["extend"]
		
		if extend == "front" or extend == "both":
			stack.prepend_layer(stack.layers[0].index_matched())
		if extend == "back" or extend == "both":
			stack.add_layer(stack.layers[-1].index_matched())
		
		return stack
		
	def _set_optical(self, optical):
		if optical.model == OpticalParameters.InternalModel:
			if optical.reflectance != OpticalParameters.ConstantReflectance:
				print "WARNING: WxAmps internal optical model does not support wavelength dependent reflectance.  Using the reflectance at 600 nm as the constant value."
			
			top = optical.front_reflectance(600)
			bottom = optical.back_reflectance(600)
			
			self.amps.setReflectance(float(top), float(bottom))
		else:
			raise Exception("WxAmps does not support external optical modeling yet.")
	
	def _set_illumination(self, illum):
		if illum.eqe:
			eqe_range = illum.eqe_end - illum.eqe_start
			waves = np.linspace(illum.eqe_start, illum.eqe_end, int(eqe_range / illum.eqe_spacing) + 2)
			
			self.amps.enableEQE(waves)
		
		if not illum.dark:
			raise Exception("WxAmps does not currently handle taking IV curves") #FIXME: Setup IV curve taking
		
	def reverse(self):
		self.amps.reverse()
		self.inverted = not self.inverted
			   
	#override solve methods to be wxamps specific
	#if spectrum is set, do the work of converting it to the appropriate format and
	#setting params.light
	#FIXME: solve needs to be redone.
	def solve(self, params):
		self._set_optical(params.optical)
		self._set_illumination(params.illumination)	
			
		self.amps.solve()
		
	def get_eqe(self):
		waves = self.amps.getEQEWavelengths()
		qe = self.amps.getEQEResults()
		
		eqe = np.ndarray([len(waves),2])
		eqe[:,0] = waves
		eqe[:,1] = qe
		
		return eqe.view(solar.types.QuantumEfficiency)
		
	def get_iqe(self):
		waves = self.amps.getEQEWavelengths()
		qe = self.amps.getIQEResults()
		
		iqe = np.ndarray([len(waves),2])
		iqe[:,0] = waves
		iqe[:,1] = qe
		
		return iqe.view(solar.types.QuantumEfficiency)
	
	def calculate_qes(self, fromBehind = False):
		optical = SimpleOpticalParameters(0.0, 0.0)
		
		illum = IlluminationParameters()
		illum.take_eqe(reference.canonical_start, reference.canonical_end, reference.canonical_sampling)
		
		params = SimulationParameters(optical, illum)
		
		if fromBehind:
			self.reverse()

		self.solve(params)
		
		if fromBehind:
			self.reverse()
Exemplo n.º 4
0
class WxAmpsDevice:
    def __init__(self, devFile):
        self.amps = AmpsManager()
        self.amps.loadDevice(devFile)
        self.fileName = devFile
        self.inverted = False

    def _getText(self, nodelist):
        rc = []
        for node in nodelist:
            if node.nodeType == node.TEXT_NODE:
                rc.append(node.data)
        return ''.join(rc)

    def _extract_extinction(self, alpha):
        entries = alpha.getElementsByTagName("waveLength")
        numEntries = len(entries)

        k_arr = np.ndarray([numEntries, 2])

        for i in xrange(0, numEntries):
            entry = entries[i]
            wave = float(entry.getAttribute("nm"))
            alpha = float(self._getText(entry.childNodes)
                          )  #alpha is in inverse meters for WxAmpsDevice
            k = alpha * wave * (10**-9) / (4 * 3.141592653)
            k_arr[i, 0] = wave
            k_arr[i, 1] = k

        return k_arr

    def optical_stack(self, **kw):
        dom = minidom.parse(self.fileName)

        dev = dom.getElementsByTagName("Device")[0]
        layerCount = int(dev.getAttribute("layers"))

        layers = dev.getElementsByTagName("Material")

        stack = OpticalStack()

        if len(layers) != layerCount:
            raise Exception(
                "Device file seems to be invalid.  Cannot parse its optical stack."
            )

        for i in xrange(0, len(layers)):
            layer = layers[i]

            thickness = float(layer.getAttribute("thickness"))  #in microns
            eps = float(
                self._getText(
                    layer.getElementsByTagName("Electric")
                    [0].getElementsByTagName("Dielectric")[0].childNodes))

            n = np.sqrt(eps)
            k = self._extract_extinction(
                layer.getElementsByTagName("Optical")[0].getElementsByTagName(
                    "alpha")[0])

            #Build layer
            material = OpticalMaterial(n, k, extend=True)
            film = OpticalFilm(material,
                               thickness * 1000)  #convert from micron to nm
            stack.add_layer(film)

        #We invert devices in amps, but read the stack from the unchanged device file
        #so manually inver the layers if we're inverted.
        if self.inverted:
            return stack.reverse()

        #now set the appropriate boundary conditions if we need to
        if "extend" not in kw:
            return stack
        else:
            extend = kw["extend"]

        if extend == "front" or extend == "both":
            stack.prepend_layer(stack.layers[0].index_matched())
        if extend == "back" or extend == "both":
            stack.add_layer(stack.layers[-1].index_matched())

        return stack

    def _set_optical(self, optical):
        if optical.model == OpticalParameters.InternalModel:
            if optical.reflectance != OpticalParameters.ConstantReflectance:
                print "WARNING: WxAmps internal optical model does not support wavelength dependent reflectance.  Using the reflectance at 600 nm as the constant value."

            top = optical.front_reflectance(600)
            bottom = optical.back_reflectance(600)

            self.amps.setReflectance(float(top), float(bottom))
        else:
            raise Exception(
                "WxAmps does not support external optical modeling yet.")

    def _set_illumination(self, illum):
        if illum.eqe:
            eqe_range = illum.eqe_end - illum.eqe_start
            waves = np.linspace(illum.eqe_start, illum.eqe_end,
                                int(eqe_range / illum.eqe_spacing) + 2)

            self.amps.enableEQE(waves)

        if not illum.dark:
            raise Exception("WxAmps does not currently handle taking IV curves"
                            )  #FIXME: Setup IV curve taking

    def reverse(self):
        self.amps.reverse()
        self.inverted = not self.inverted

    #override solve methods to be wxamps specific
    #if spectrum is set, do the work of converting it to the appropriate format and
    #setting params.light
    #FIXME: solve needs to be redone.
    def solve(self, params):
        self._set_optical(params.optical)
        self._set_illumination(params.illumination)

        self.amps.solve()

    def get_eqe(self):
        waves = self.amps.getEQEWavelengths()
        qe = self.amps.getEQEResults()

        eqe = np.ndarray([len(waves), 2])
        eqe[:, 0] = waves
        eqe[:, 1] = qe

        return eqe.view(solar.types.QuantumEfficiency)

    def get_iqe(self):
        waves = self.amps.getEQEWavelengths()
        qe = self.amps.getIQEResults()

        iqe = np.ndarray([len(waves), 2])
        iqe[:, 0] = waves
        iqe[:, 1] = qe

        return iqe.view(solar.types.QuantumEfficiency)

    def calculate_qes(self, fromBehind=False):
        optical = SimpleOpticalParameters(0.0, 0.0)

        illum = IlluminationParameters()
        illum.take_eqe(reference.canonical_start, reference.canonical_end,
                       reference.canonical_sampling)

        params = SimulationParameters(optical, illum)

        if fromBehind:
            self.reverse()

        self.solve(params)

        if fromBehind:
            self.reverse()