Time domain effects during spontaneous self-channelling of light in air below the collapse threshold

1. Roman, J.S.
2. Sola, I.J.
3. Mendez, C.
4. Ruiz, C.
5. Perez-Hernandez, J.A.
6. Delgado, D.
7. Plaja, L.
8. Roso, L.