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Travel and pilgrimage have become central research topics in recent years. Some archaeologists and historians have applied globalization theories to ancient intercultural connections. Classicists have rediscovered travel as a literary topic in Greek and Roman writing. Scholars of early Judaism, Christianity, and Islam have been rethinking long-familiar pilgrimage practices in new interdisciplinary contexts. This volume contributes to this flourishing field of study in two ways. First, the focus of its contributions is on experiences of travel. Our main question is: How did travelers in the ancient world experience and make sense of their journeys, real or imaginary, and of the places they visited? Second, by treating Jewish, Christian, and Islamic experiences together, this volume develops a longue durée perspective on the ways in which travel experiences across these three traditions resembled each other. By focusing on "experiences of travel," we hope to foster interaction between the study of ancient travel in the humanities and that of broader human experience in the social sciences.
This book provides a comprehensive overview of nano-optics, including basic theory, experiment and applications, particularly in nanofabrication and optical characterization. The contributions clearly demonstrate how advances in nano-optics and photonics have stimulated progress in nanoscience and -fabrication, and vice versa. Their expert authors address topics such as three-dimensional optical lithography and microscopy beyond the Abbe diffraction limit, optical diagnostics and sensing, optical data- and telecommunications, energy-efficient lighting, and efficient solar energy conversion. Nano-optics emerges as a key enabling technology of the 21st century. This work will appeal to a wide ...
Recent research has made a strong case for the view that Early Christian communities, sociologically considered, functioned as voluntary religious associations. This is similar to the practice of many other cultic associations in the Greco-Roman world of the first century CE. Building upon this new approach, along with a critical interpretation of all available sources, this book discusses the social and religio-historical background of the weekly gatherings of Christians and presents a fresh reconstruction of how the weekly gathering originated and developed in both form and content. The topics studied here include the origins of the observance of Sunday as the weekly Christian feast-day, the shape and meaning of the weekly gatherings of the Christian communities, and the rise of customs such as preaching, praying, singing, and the reading of texts in these meetings.
This book focuses on current applications of molecular quantum dynamics. Examples from all main subjects in the field, presented by the internationally renowned experts, illustrate the importance of the domain. Recent success in helping to understand experimental observations in fields like heterogeneous catalysis, photochemistry, reactive scattering, optical spectroscopy, or femto- and attosecond chemistry and spectroscopy underline that nuclear quantum mechanical effects affect many areas of chemical and physical research. In contrast to standard quantum chemistry calculations, where the nuclei are treated classically, molecular quantum dynamics can cover quantum mechanical effects in thei...
This volume provides an overview of research on seemingly, current and former peripheral areas and on processes of peripheralisation in Europe. Particular emphasis is given to questions of local and regional governance, to multiple actors of peripheralisation and residential revitalisation as well as to economic and ecological transformations. --
This book reports on the development of a pioneering light source architecture of the so-called Petawatt Field Synthesizer (PFS) system, which is based on short-pulse pumped, optical parametric chirped pulse amplification (OPCPA), driven by a homemade, 1-ps diode-pumped Yb:YAG. At a few-cycle pulse duration of the amplified pulses, this architecture yields record levels of peak power and temporal contrast, the latter boasting a 100-times faster rise time from the noise level to peak intensity of the pulse compared to conventional laser systems. This allows investigation of the true laser–solid interaction without premature plasma expansion and without lossy pulse cleaning by e.g. plasma mi...
Enhancement cavities are passive optical resonators in which continuous-wave laser radiation or pulses of a frequency comb are coherently overlapped, allowing for a power and intensity scaling of up to several orders of magnitude. A prominent application is the table-top generation of bright, laser-like radiation in spectral regions where direct laser action is inefficient or not available at all, via intracavity nonlinear optical processes. However, to exploit the full capacity of this technique further progress is needed. This thesis covers central problems of enhancement cavities, such as finding limitations in scaling the circulating power, measuring cavity parameters with high accuracy, tailoring transverse modes and coupling out radiation generated in the cavity. Unprecedented intracavity laser powers were demonstrated, surpassing previous results by an order of magnitude. As an application, harmonics of the fundamental 1040-nm radiation up to the 21st order are generated. Besides reporting these fine experimental results, the thesis provides an excellent introduction into the physics of enhancement cavities, supported by more than 140 references.
This thesis provides unique information on the Kerr-lens mode-locking (KLM) technique applied to a thin-disk laser. It describes in detail cavity geometry, the qualitative approach to KLM, and self-starting behavior in the regime of both negative and positive dispersion. Comprehensive comparative analysis of KLM and semiconductor saturable absorber techniques is also carried out. Recent successful experiments on carrier-envelope phase stabilization, spectral broadening and compression of output of this oscillator underline the importance of this new, emerging technology.
This thesis offers a thorough and informative study of high-power, high-energy optical parametric chirped pulse amplifications systems, the foundation of the next generation of femtosecond laser technology. Starting from the basics of the linear processes involved and the essential design considerations, the author clearly and systematically describes the various prerequisites of the nonlinear optical systems expected to drive attosecond physics in the coming decade. In this context, he gives an overview of methods for generating the broadband and carrier-envelope-phase stable seed pulses necessary for producing controlled electric-field waveforms in the final system; provides a guide to han...