Table 3 Isotopes shifts of the transitions with reference to 168Er isotope. Ref. 28.

From: Laser isotope enrichment of 168Er

Transition

Isotope shift (MHz) with reference to 168Er isotope

162Er#

164Er

166Er

167Er

170Er

631.052Β nm

-5981

-2776

-1396

-1004

1435

586.912Β nm

5270

2489

1245

820

-1268

566.004Β nm

-398.4

-187

-93

-61

97

  1. #162Er isotope shifts have been calculated from King’s plot analysis.