Nonlinear optics in the filamentation regime : doctoral thesis accepted by the Humboldt University Berlin, Germany
Author(s)
Bibliographic Information
Nonlinear optics in the filamentation regime : doctoral thesis accepted by the Humboldt University Berlin, Germany
（Springer theses : recognizing outstanding Ph. D. research）
Springer, c2012
- : [hbk]
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Note
Includes bibliographical references
Zugl.: Berlin, Humboldt-Univ., Diss
Description and Table of Contents
Description
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.
Table of Contents
Theoretical Foundations of Femtosecond Filamentation.- Pulse Self-Compression in Femtosecond Filaments.- Saturation and Inversion of the All-Optical Kerr Effect.
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