def test_from_txt_file():
relpath = os.path.join('UserData', 'AlSb.txt')
filepath = os.path.join(root_path, relpath)
md = Material(file_path=filepath,
spectrum_type='wavelength',
unit='micrometer')
n = md.get_nk_data(spectrum)
assert np.isclose(np.real(n), 4.574074754901961)
assert np.isclose(np.imag(n), 0.4318627450980393)
def test_from_yml_file():
relpath = os.path.join('RefractiveIndexInfo', 'data', 'main', 'Ag',
'Hagemann.yml')
filepath = os.path.join(root_path, relpath)
md = Material(file_path=filepath,
spectrum_type='wavelength',
unit='micrometer')
n = md.get_nk_data(spectrum)
assert np.isclose(np.real(n), 0.23805806451612901)
assert np.isclose(np.imag(n), 3.126040322580645)
def make_example_yaml(dir_path):
model_params = {
'name': 'Sellmeier',
'specrtrum_type': 'wavelength',
'unit': 'micrometer',
'valid_range': np.array([0.350, 2.0]),
'parameters': np.array([0, 1.0, 0.05, 2.0, 0.1, 10., 25.])
}
mat = Material(model_kw=model_params,
spectrum_type='wavelength',
unit='micrometer')
mat.meta_data['Reference'] = "Literature reference to the data"
mat.meta_data['Comment'] = "Any additional information goes here"
mat.meta_data['Name'] = "Short name of the material"
mat.meta_data['FullName'] = "Full name of the material"
mat.meta_data['Author'] = "The author of this data file"
mat.meta_data['MetaComment'] = " This is a multiline meta-comment\n" + \
" which provides information not\n" + \
" in metadata"
k_data = np.array([[400., 0.1], [500., 0.05], [600., 0.0], [700., 0.0]])
interp = Interpolation(k_data, unit='nm')
mat.data['imag'] = interp
filepath = os.path.join(dir_path, "example_file2.yml")
write = Writer(filepath, mat)
write.write_file()
def test_from_model():
wp = 8.55 # eV
loss = 18.4e-3 #eV
model_kw = {
'name': 'Drude',
'parameters': [wp, loss],
'valid_range': [0.0, np.inf],
'spectrum_type': 'energy',
'unit': 'ev'
}
md = Material(model_kw=model_kw)
n = md.get_nk_data(spectrum)
assert np.isclose(np.real(n), 0.013366748652710245)
assert np.isclose(np.imag(n), 3.2997524521729824)
def make_anti_reflex_layers(keys):
mat1 = keys['layer_order'][keys['AntiReflex_at']]
mat2 = keys['layer_order'][keys['AntiReflex_at'] + 1]
nLayers = keys['AntiReflex_n_layers']
total_thickness = keys['height_AntiReflex']
spectrum = Spectrum(keys['vacuum_wavelength'], unit='m')
nk1 = np.real(keys['mat_' + mat1].get_nk_data(spectrum))
nk2 = np.real(keys['mat_' + mat2].get_nk_data(spectrum))
max_id = 0
for key in keys['Domains']:
if keys['Domains'][key] > max_id:
max_id = keys['Domains'][key]
max_id += 1
for ilayer, layer in enumerate(keys['layer_order']):
if layer == mat1:
start_layer = ilayer
for step in range(1, nLayers + 1):
n = nk1 + (nk2 - nk1) * (step) / (nLayers + 1)
new_data = np.vstack([spectrum.values, n]).T
mat_name = 'mat_AntiReflex_{}'.format(step)
keys[mat_name] = Material(tabulated_n=new_data, unit='m')
t = total_thickness / nLayers
height_name = 'height_AntiReflex_{}'.format(step)
keys[height_name] = t
layer_name = "AntiReflex_{}".format(step)
keys['Domains'][layer_name] = max_id + step
keys['layer_order'].insert(start_layer + step, layer_name)
return keys
def make_example_txt(dir_path):
test_data = np.array([[400., 1.7, 0.1], [500., 1.6, 0.05],
[600., 1.5, 0.0], [700., 1.4, 0.0]])
mat = Material(tabulated_nk=test_data,
spectrum_type='wavelength',
unit='nanometer')
mat.meta_data['Reference'] = "Literature reference to the data"
mat.meta_data['Comment'] = "Any additional information goes here"
mat.meta_data['Name'] = "Short name of the material"
mat.meta_data['FullName'] = "Full name of the material"
mat.meta_data['Author'] = "The author of this data file"
mat.meta_data['MetaComment'] = " This is a multiline meta-comment\n" + \
" which provides information not\n" + \
" in metadata"
filepath = os.path.join(dir_path, "example_file.txt")
write = Writer(filepath, mat)
write.write_file()
def test_mat_init():
md = Material(fixed_n=1.0)
n = md.get_nk_data(spectrum)
assert np.isclose(np.real(n), 1.0)
assert np.isclose(np.imag(n), 0.0)