| Pump-probe
experiments |
|
|
|
| n | pump (probability 10-3 - 10-4
) |
|
| 2 photons |
| 2 color photons |
| Ti:Sa Laser + XUV |
|
|
| 480 asec, 38 eV, |
|
| 4x1012 W/cm2 |
|
|
|
| 5 fsec, 1.5 eV, |
|
| 4x1013 W/cm2 |
|
|
|
| 480 asec, 36.7
eV, |
|
| 4x1014
W/cm2 |
|
| He ++ |
| 2s2p |
|
|
| He ** |
|
| (2s2, 2p2) |
|
| 1s2p |
|
|
| HHG from |
|
| nsec laser |
|
| He(1s2) |
|
|
|
|
|
|
|
| • | density：1 torr |
|||||
| • | • | |||||
| • | Volume： (10μm)2 x3mm |
|||||
| 350
events/shot |
||||||
|
|
|
| n | probe (probability 10-3) |
|
| 480 asec, 27.2 eV, 4x1012 W/cm2 |