strongly simplified level scheme of strontium, showing only transitions addressed by our lasers

Links
- https://www.pi.uni-bonn.de/koehl/en/media/fairy_sr_level_scheme.jpg/image_view_fullscreen
- https://www.pi.uni-bonn.de/koehl/en/media/fairy_sr_level_scheme.jpg/@@download/image/fairy_Sr_level_scheme.jpg