Table 1 Summary of the systematic frequency shifts.
From: Direct frequency comb optical frequency standard based on two-photon transitions of thermal atoms
Effects | Shifts at 778 nm |
---|---|
Light shift | −43.2 ± 3 kHz |
Relativistic shift | −360 ± 1 Hz |
Collisions shift | −181 ± 16 Hz |
Collisions shift due to background gases | <1 kHz |
Black-body radiation shift | −330 ± 4 Hz |
Magnetic shift | <703 Hz |
Electronic shifts | −1.6 ± 0.2 kHz |