| Autor: |
Nada, Y. S., El-Azab, J. M., Othman, H., Mohamed, T., Maize, S. M. A., Y.H.Elbashar |
| Zdroj: |
Journal of Optics (09728821); Mar2022, Vol. 51 Issue 1, p37-45, 9p |
| Abstrakt: |
In the present study, we investigated a numerical simulation for employing fused silica for self-compression of femtosecond laser pulses. Self-compression, resulting from the interaction between self-phase modulation and negative group velocity dispersion, can be solved numerically by the nonlinear Schrodinger equation. Once a laser pulse of 200 fs pulse duration and intensity of 1 TW/cm2 at 2 µm wavelength is applied to a 3.5 mm of fused silica, the pulse is compressed down to nearly 7 fs, corresponding to a compression factor of ~ 27. A high compression factor is acquired by either increasing the input pulse intensity or increasing the input pulse duration. On the other hand, the shortest propagation length for achieving a high compression takes place for either high input intensities or short input pulse duration. Therefore, an optimization of the operational parameters has been studied in the present work based on the B-integral as well as the depression of small-scale self-focusing effect. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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