finesse.utilities.homs

Functions for manipulating Higher Order Modes.

Functions

HG_to_LG(n, m)	Returns the coefficients and mode indices of the Laguerre-Gaussian modes required to create a particular Hermote-Gaussian mode.
HG_to_LG_matrix(hgs, lgs)	Returns a matrix that will convert a Hermite-Gaussian mode vector into Laguerre- Gaussian modes.
insert_modes(modes, new_modes)	Inserts the mode indices in new_modes into the modes array at the correct (sorted) position(s).
jacobi_real_x(n, a, b, x)	Jacobi Polynomial P_n^{a,b}(x) for real x.
lens_diopt_to_f(f, d)	Convert a dioptre shift, at a lens, to a focal length.
make_modes([select, maxtem])	Construct a 2D numpy.ndarray of HOM indices.
make_modes_LG(maxtem)	Returns an array of LG modes ordered in increasing polynomial order, 2p+|l|.
remove_modes(modes, remove)
surface_diopt_to_roc(roc, d)	Convert a dioptre shift, at a surface, to a radius of curvature.