poletto

Functions

diffraction_angle_from_grating_equation(…)

Equation 13 of Poletto and Thomas rearranged to solve for diffraction angle.

spatial_focal_curve(alpha, beta, …)

Equation 34 of Thomas and Poletto (2003) :type alpha: astropy.units.Quantity :param alpha: Nominal incidence angle of the beam on the grating.

spectral_focal_curve(wavelength, …[, …])

Equation 33 of Thomas and Poletto (2003) :type wavelength: astropy.units.Quantity :param wavelength: The wavelength at which to evaluate the spectral focal curve :type diffraction_order: astropy.units.Quantity :param diffraction_order: diffraction order of the light leaving the grating :type alpha: astropy.units.Quantity :param alpha: Nominal incidence angle of the beam on the grating.