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Introduction to Atomic Frequency Standards - 2011 Joint Conference ...

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D1 vs. D2 ?<br />

D2 excited state multiplicity allows “leakage” of<br />

coherence via off-resonant excitation<br />

Rubidium<br />

D1<br />

D2<br />

M. Stahler, et al., Optics Letters, vol. 27, pp. 1472-1474, 2002.<br />

Figure-of-Merit, <br />

9<br />

8<br />

7<br />

6<br />

5<br />

4<br />

3<br />

2<br />

1<br />

0<br />

Cesium<br />

D1<br />

D2<br />

1 10 100<br />

Laser Power [W]<br />

R. Lutwak, et al., PTTI 2003<br />

84

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