BlochStack

An infinite periodic repetition of a given Stack, supporting Bloch modes.

Constructor:

• BlochStack(Expression)

Member functions

• N(): returns number of modes in this waveguide. Is twice the number set by set_N(), as it includes both forward and backward Bloch waves.
• mode(int i): returns BlochMode with index i. Index starts at zero.
• calc(): calculates the BlochModes in this waveguide.
• plot(): plots the BlochModes.
• plot_n(): lower level routine to plot the refractive index. See Stack for more details.
• length(): returns the z-length of the basic period.
• width(): returns the c1-length of the basic period.
• beta_vector(): returns a vector containing all the propagation constants of the BlochModes.

See section BlochMode.

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