| Saturated Absorption |
|
|
| Pump burns
hole in velocity distribution, probe samples |
|
| different velocity
class, except when on resonance. |
|
| Doppler-broadened
line width |
|
|
|
|
| “Bennett
Hole” |
|||
| or
Saturated |
|||
| Absorption |
|||
| Feature |
|||
| l |
| Frequency (MHz) |
|
|
| Pump and probe |
|
| at same
frequency |
|