









Persistent Lines of Neutral Thulium ( Tm I )
Wavelength Energy Configuration Term J
(Å) Levels (cm-1)
3717.914 0.000 4f13(2F°)6s2 2F° 7/2
26889.125 4f12(3H5)5d5/26s2 (5,5/2) 9/2
return
3744.064 0.000 4f13(2F°)6s2 2F° 7/2
26701.325 4f13(2F°7/2)6s6p(1P°1) 7/2
return
3883.132 0.000 4f13(2F°)6s2 2F° 7/2
25745.117 4f13(2F°7/2)6s6p(1P°1) 5/2
return
3887.348 0.000 4f13(2F°)6s2 2F° 7/2
25717.197 4f12(3H5)5d5/26s2 (5,5/2) 7/2
return
3916.477 8771.243 4f13(2F°)6s2 2F° 5/2
34297.17 4f13(2F°5/2)6s6p(1P°1) (5/2,1) 7/2
return
4094.187 0.000 4f13(2F°)6s2 2F° 7/2
24418.018 4f13(2F°7/2)6s6p(1P°1) (7/2,1) 5/2
return
4105.841 0.000 4f13(2F°)6s2 2F° 7/2
24348.692 4f12(3H5)5d3/26s2 (5,3/2) 9/2
return
4187.615 0.000 4f13(2F°)6s2 2F° 7/2
23873.207 4f12(3F4)5d5/26s2 7/2
return
4203.727 0.000 4f13(2F°)6s2 2F° 7/2
23781.698 4f12(3F4)5d5/26s2 (4,5/2) 9/2
return
4359.928 0.000 4f13(2F°)6s2 2F° 7/2
22929.717 4f12(3H5)5d5/26s2 5/2
return
4386.434 0.000 4f13(2F°)6s2 2F° 7/2
22791.176 4f12(3H5)5d3/26s2 (5,3/2) 7/2
return
4733.335 0.000 4f13(2F°)6s2 2F° 7/2
21120.836 4f12(3F4)5d3/26s2 (4,3/2) 7/2
return
5307.116 0.000 4f13(2F°)6s2 2F° 7/2
18837.385 4f12(3H6)5d5/26s2 (6,5/2) 9/2
return
5675.835 0.000 4f13(2F°)6s2 2F° 7/2
17613.659 4f13(2F°7/2)6s6p(3P°1) (7/2,1) 9/2
return