set_lambda get_lambda set_N get_N set_alpha get_alpha set_delta get_delta set_psi get_psi set_polarisation get_polarisation principle plane incident plane
set_lambda
get_lambda
set_N
get_N
set_alpha
get_alpha
set_delta
get_delta
set_psi
get_psi
set_polarisation
get_polarisation
principle plane
incident plane