Saturation spectroscopy of R(0), R(2) and P(2) lines in the (2-0) band of HD F. M. J. Cozijn, M. L. Diouf and W. Ubachs Eur. Phys. J. D, 76 11 (2022) 220 Published online: 18 November 2022 DOI: 10.1140/epjd/s10053-022-00552-x