| Attosecond
pulse train by HHG |
| e- |
|
|
|
| Experimental
Observation |
||
| HHG
Spectrum: Discrete Spectral Lines |
||
| E(t) |
| HHG |
| Gas |
| Driving fs
Pulse |
|
|
|
| tunnel
ionization |
||
| +
re-collision |
||
| e- |
| HHG as pulse Train |
| Half Cycle |