摘要
The filamentation of a focused femtosecond laser pulse was systematically investigated by objective with various effective NA and input pulse energy in fused silica. Two foci structure of a plasma filament and the damaged zone in fused silica were observed and studied. It was found that the pulse is temporally reshaped in nonlinear propagation, and under different focusing conditions and input energy the behaviors of pulse temporal reshaping are quite different.
| 源语言 | 英语 |
|---|---|
| 文章编号 | 063820 |
| 页(从-至) | 063820/1-063820/8 |
| 期刊 | Physical Review A - Atomic, Molecular, and Optical Physics |
| 卷 | 68 |
| 期 | 6 |
| 出版状态 | 已出版 - 12月 2003 |
| 已对外发布 | 是 |
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