Erbium (Er)
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Persistent Lines of Neutral Erbium ( Er I )
Int. Wavelength Aki Energy Configuration Term J Line Aki
(Å) (108s-1) Levels (cm-1) Ref. Ref.
500 3862.851 1.16 0.000 4f126s2 3H 6 M64b M00
25880.274 4f12(3H)6s6p ° 6
300 3892.684 0.728 0.000 4f126s2 3H 6 M64b M00
25681.933 4f11(4F°)5d 6s2 ° 5
250 3937.014 0.292 0.000 4f126s2 3H 6 M64b M00
25392.779 4f11(4F°)5d 6s2 ° 6
250 3944.420 5035.193 4f126s2 3F 4 M64b
30380.282 4f11(4I°)5d2(3F) (4F°)6s ° 5
200 3973.036 0.479 0.000 4f126s2 3H 6 M64b M00
25162.553 4f11(4I°)5d 6s2 ° 5
250 3973.575 0.366 0.000 4f126s2 3H 6 M64b M00
25159.143 ° 7
1000 4007.965 1.73 0.000 4f126s2 3H 6 M64b M00
24943.272 4f12(3H)6s6p ° 7
200 4020.512 6958.329 4f126s2 3H 5 M64b
31823.748 4f12(3H)6s6p ° 6
250 4087.632 0.303 0.000 4f126s2 3H 6 M64b M00
24457.139 4f11(4I°)5d 6s2 ° 6
500 4151.108 0.960 0.000 4f126s2 3H 6 M64b M00
24083.166 4f12(3H)6s6p ° 5
70 4606.606 0.0754 0.000 4f126s2 3H 6 M64b M00
21701.885 4f11(4I°11/2)5d5/26s2 (11/2,5/2)° 6
30 5826.786 0.0104 0.000 4f126s2 3H 6 M64b M00
17157.307 4f12(3H6)6s6p(3P°1) (6,1)° 7
25 6221.019 0.0084 0.000 4f126s2 3H 6 M64b M00
16070.095 4f11(4I°13/2)5d3/26s2 (13/2,3/2)° 6
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