Nonlinear Optics in the Filamentation Regime
Brée, Carsten
| Autor: | Brée, Carsten |
|---|---|
| Themengebiete: | Dynamik (physikalisch) / Elektrodynamik Elektrodynamik - Quantenelektrodynamik Optik Photon - Photonik |
| Veröffentlichungsdatum: | 10.07.2012 |
| EAN: | 9783642309298 |
| Sprache: | Englisch |
| Seitenzahl: | 144 |
| Produktart: | Gebunden |
| Verlag: | Springer Springer-Verlag GmbH |
Produktinformationen "Nonlinear Optics in the Filamentation Regime"
This thesis provides deep insights into currently controversial questions in laser filamentation, a highly complex phenomenon involving nonlinear optical effects and plasma physics. First, based on the concrete picture of a femtosecond laser beam which self-pinches its radial intensity distribution, the thesis delivers a novel explanation for the remarkable and previously unexplained phenomenon of pulse self-compression in filaments. Moreover, the work addresses the impact of a non-adiabatic change of both nonlinearity and dispersion on such an intense femtosecond pulse transiting from a gaseous dielectric material to a solid one. Finally, and probably most importantly, the author presents a simple and highly practical theoretical approach for quantitatively estimating the influence of higher-order nonlinear optical effects in optics. These results shed new light on recent experimental observations, which are still hotly debated and may completely change our understanding of filamentation, causing a paradigm change concerning the role of higher-order nonlinearities in optics.
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