Page 36 - Handbook of Lasers
P. 36
Table 1.1.5
Cross-Cascade Laser Schemes
fi lasing transition Þ nonradiative energy transfer transitions
Laser ions Cross-cascade transitions
3+
4
3+
Er + Ho 3+ 4 S 3/2 fi I 13/2 (Er )
4 I 13/2 – I 15/2 (Er ) Þ I – I (Ho )
3+
5
3+
5
4
8
7
5 5 3+
7 8
I fi I (Ho )
3+
4 I 11/2 fi I 13/2 (Er )
4
5
3+
3+
5
4
4 I 13/2 – I 15/2 (Er ) Þ I – I (Ho )
8
7
5 5 3+
7 8
I fi I (Ho )
3+
4
3+
Er + Tm 3+ 4 S 3/2 fi I 13/2 (Er ) Þ
3+
4 I 13/2 – I 15/2 (Er ) Þ H – F (Tm )
3
3+
3
4
6
4
3 3 3+
4 6
F fi H (Tm )
4
4 I 11/2 fi I 13/2 (Er )
3+
3+
3
4
3+
4 I 13/2 – I 15/2 (Er ) Þ H – F (Tm )
3
6
4
3 3 3+
4 6
F fi H (Tm )
3+
3
Tm + Ho 3+ 3 H fi H 5 ß 3 4 3+
4
F (Tm )
3 3 3+ 5 5 3+
4 6 8 7
F – H (Tm ) Þ I – I (Ho )
55 5 3+
7 8
I fi I (Ho )
3 3 3+
4 4
H fi F (Tm )
3 3 3+ 5 5 3+
4 6 8 7
F – H (Tm ) Þ I – I (Ho )
55 5 3+
7 8
I fi I (Ho )
3+
4
3+
3+
Er + Tm + Ho 3+ 4 I 11/2 fi I 13/2 (Er )
4 I 13/2 – I 15/2 (Er ) Þ H – F (Tm )
3+
4
3+
3
3
6
4
3 3 3+ 5 5 3+
4 6 8 7
F – H (Tm ) Þ I – I (Ho )
55 5 3+
7 8
I fi I (Ho )
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