Mode Class
- class lpmodes.Mode(u, w, l, m, beta, n_eff, core_radius, wavelength, n_core, n_cladding)
Class used to store parameters of a mode, and to plot it.
- Arguments:
- ufloat
Radial propagation constant in the core.
- wfloat
Radial propagation constant in the cladding.
- lint
Azimuthal mode number.
- mint
Radial mode number.
- betafloat
Propagation constant of the mode.
- n_efffloat
effective refractive index of the mode
- core_radiusfloat
Radius of the fibre core.
- wavelengthfloat
Wavelength of the light in the mode.
- n_corefloat
Refractive index of the fibre core.
- n_claddingfloat
Refractive index of the cladding.
- plot_amplitude(grid_size, max_plot_radius)
Returns ‘plot’ of amplitude of mode as a 2D numpy array. This function returns the ‘cosine’ version.
- Arguments:
- grid_sizeint
size of square plot in pixels
- max_plot_radiusfloat
radial distance at edge of plot, microns
- Returns
np.array : 2D array of floats, plot of mode, cosine version
- plot_amplitude_rotated(grid_size, max_plot_radius)
Returns ‘plot’ of amplitude of mode as a 2D numpy array. This function returns the ‘sine’ version, i.e. rotated by 4pi/l w.r.t. plot_amplitude.
- Arguments:
- grid_sizeint
size of square plot in pixels
- max_plot_radiusfloat
radial distance at edge of plot, microns
- Returns
np.array : 2D array of floats, plot of mode, sine version
- plot_intensity(grid_size, max_plot_radius)
Returns ‘plot’ of intensity of mode as a 2D numpy array. This function returns the ‘cosine’ version.
- Arguments:
- grid_sizeint
size of square plot in pixels
- max_plot_radiusfloat
radial distance at edge of plot, microns
- Returns
np.array : 2D array of floats, plot of mode, cosine version
- plot_intensity_rotated(grid_size, max_plot_radius)
Returns ‘plot’ of intensity of mode as a 2D numpy array. This function returns the ‘sine’ version.
- Arguments:
- grid_sizeint
size of square plot in pixels
- max_plot_radiusfloat
radial distance at edge of plot, microns
- Returns
np.array : 2D array of floats, plot of mode, sine version