| Previous work and Limitations |
| Higher
Energy ~ 0.5 mJ1 |
|
|
|
| • | Self focusing
along with self phase modulation |
|
| • | Self de-focusing by
plasma formation |
|
| Shorter
Pulse Duration ~ 5 fs 1 |
| 1S. Sartania, Z.
Cheng, M. Lenzner, G. Tempea, Ch. Spielmann, and F. Krausz, Optic Letters, 22,20
(1997). |