Persistent Lines of Neutral Erbium ( Er I )
Wavelength Energy Configuration Term J
(Å) Levels (cm-1)
3862.851 0.000 4f126s2 3H 6
25880.274 4f12(3H)6s6p ° 6
return
3892.684 0.000 4f126s2 3H 6
25681.933 4f11(4F°)5d 6s2 ° 5
return
3937.014 0.000 4f126s2 3H 6
25392.779 4f11(4F°)5d 6s2 ° 6
return
3944.420 5035.193 4f126s2 3F 4
30380.282 4f11(4I°)5d2(3F) (4F°)6s ° 5
return
3973.036 0.000 4f126s2 3H 6
25162.553 4f11(4I°)5d 6s2 ° 5
return
3973.575 0.000 4f126s2 3H 6
25159.143 ° 7
return
4007.965 0.000 4f126s2 3H 6
24943.272 4f12(3H)6s6p ° 7
return
4020.512 6958.329 4f126s2 3H 5
31823.748 4f12(3H)6s6p ° 6
return
4087.632 0.000 4f126s2 3H 6
24457.139 4f11(4I°)5d 6s2 ° 6
return
4151.108 0.000 4f126s2 3H 6
24083.166 4f12(3H)6s6p ° 5
return
4606.606 0.000 4f126s2 3H 6
21701.885 4f11(4I°11/2)5d5/26s2 (11/2,5/2)° 6
return
5826.786 0.000 4f126s2 3H 6
17157.307 4f12(3H6)6s6p(3P°1) (6,1)° 7
return
6221.019 0.000 4f126s2 3H 6
16070.095 4f11(4I°13/2)5d3/26s2 (13/2,3/2)° 6
return