Data fields:

spherical_plano_concave_mirror_diameter: Mirror diameters for which the C_{int}^{0} of the plano-concave cavity with spherical mirrors was calculated. Units: metres
spherical_plano_concave_cint: The C_{int}^{0} of the plano-concave cavity with spherical mirrors. Units: dimensionless
retroreflective_optimised_mirror_diameter: Mirror diameters for which the C_{int}^{0} of the plano-concave cavity with retroreflective optimised mirrors was calculated. Units: metres
retroreflective_optimised_cint: The C_{int}^{0} of the plano-concave cavity with retroreflective optimised mirrors. Units: dimensionless
gaussian_mirror_diameter: Mirror diameters for which the C_{int}^{0} of the plano-concave cavity with optimised Gaussian mirrors was calculated. Units: metres
gaussian_cint: The C_{int}^{0} of the plano-concave cavity with optimised Gaussian mirrors. Units: dimensionless
dual_curvature_mirror_diameter: Mirror diameters for which the C_{int}^{0} of the plano-concave cavity with optimised dual curvature mirrors was calculated. Units: metres
dual_curvature_cint: The C_{int}^{0} of the plano-concave cavity with optimised dual curvature mirrors: Units. dimensionless
spline_mirror_diameter: Mirror diameters for which the C_{int}^{0} of the plano-concave cavity with optimised 3-point spline mirrors was calculated. Units: metres
spline_cint: The C_{int}^{0} of the plano-concave cavity with optimised 3-point spline mirrors. Units: dimensionless
plano_concave_limit_cint: Analytical limit to the  C_{int}^{0} of the plano-concave cavity with spherical mirrors (Eq. (10)). Units: metres

concave_concave_mirror_diameter: Mirror diameters for which the C_{int}^{0} of the transversely aligned concave-concave cavity was calculated. Units: metres
concave_concave_aligned_cint: The C_{int}^{0} of the transversely aligned concave-concave cavity. Units: dimensionless
concave_concave_analytical_cint_estimate: The estimated analytical C_{int}^{0} of the transversely aligned concave-concave cavity using Eq. (7). Units: dimensionless  

misalignment_scan_mirror_diameter: Mirror diameters for which the C_{int}^{0} of the transversely misaligned concave-concave cavity was calculated. Units: metres
misalignments: Transverse misalignments between the mirrors axes which the C_{int}^{0} of the transversely misaligned concave-concave cavity was calculated. Units: metres
misaligned_cints: The C_{int}^{0} of the optimised transversely misaligned concave-concave cavity with spherical mirrors. A 2D array. The first index corresponds to the misalignment value in the data field 'misalignments'. The second index corresponds to the mirror diameter in the data field 'misalignment_scan_mirror_diameter'.



Figure plots:
a and b:
Black solid line: spherical_plano_concave_mirror_diameter vs spherical_plano_concave_cint
Purple solid line: retroreflective_optimised_mirror_diameter vs retroreflective_optimised_cint
Black dashed horizontal line: plano_concave_limit_cint

just a:
Blue line: gaussian_mirror_diameter vs gaussian_cint
Red line: dual_curvature_mirror_diameter vs dual_curvature_cint
Yellow line: spline_mirror_diameter vs spline_cint

just b:
Blue solid line: concave_concave_mirror_diameter vs concave_concave_aligned_cint
Blue dashed line: concave_concave_mirror_diameter vs concave_concave_analytical_cint_estimate
Light blue solid lines: misalignment_scan_mirror_diameter vs misaligned_cints[misalignment_index, :], where misalingment_index indexes the transverse mirror misalignment from the data field 'misalignments'. misalignments[misalignment_index] is then used to label each line

