Table 7 Optimum values of laser intensity, ionization efficiency of 168Er and the degree of enrichment calculated under Doppler free condition for the various bandwidths of excitation lasers.
Laser bandwidth (MHz) | Laser-1 Intensity (W/cm2) | Laser-2 Intensity (W/cm2) | Laser-3 Intensity (W/cm2) | Ionization efficiency of 168Er | Degree of enrichment (%) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
162Er | 164Er | 166Er | 167Er | 168Er | 170Er | |||||
250 | 1000 | 1200 | 900 | 0.25 | 0.00 | 0.00 | 3.6 | 0.19 | 95.0 | 1.2 |
500 | 800 | 1200 | 2300 | 0.21 | 0.00 | 0.01 | 3.5 | 0.13 | 95.0 | 1.3 |
750 | 400 | 800 | 2200 | 0.10 | 0.00 | 0.01 | 3.5 | 0.10 | 95.0 | 1.4 |
1000 | 200 | 400 | 2000 | 0.02 | 0.00 | 0.02 | 7.1 | 0.11 | 90.0 | 2.8 |