Laser diodes represent a key element in the emerging field of opto electronics which includes, for example, optical communication, optical sensors or optical disc systems. For all these applications, information is either transmitted, stored or read out. The performance of these systems depends to a great deal on the performance of the laser diode with regard to its modulation and noise characteristics. Since the modulation and noise characteristics of laser diodes are of vital importance for optoelectronic systems, the need for a book arises that concentrates on this subject. This book thus closes the gap between books on the device physics of semiconductor lasers and books on system design. Complementary to the specific topics concerning modulation and noise, the first part of this book reviews the basic laser characteristics, so that even a reader without detailed knowledge of laser diodes may follow the text. In order to understand the book, the reader should have a basic knowledge of electronics, semiconductor physics and optical communica tions. The work is primarily written for the engineer or scientist working in the field of optoelectronics; however, since the book is self-contained and since it contains a lot of numerical examples, it may serve as a textbook for graduate students. In the field of laser diode modulation and noise a vast amount has been published during recent years. Even though the book contains more than 600 references, only a small part of the existing literature is included.
Laser diodes represent a key element in the emerging field of opto electronics which includes, for example, optical communication, optical sensors or optical disc systems. For all these applications, information is either transmitted, stored or read out. The performance of these systems depends to a great deal on the performance of the laser diode with regard to its modulation and noise characteristics. Since the modulation and noise characteristics of laser diodes are of vital importance for optoelectronic systems, the need for a book arises that concentrates on this subject. This book thus closes the gap between books on the device physics of semiconductor lasers and books on system design. Complementary to the specific topics concerning modulation and noise, the first part of this book reviews the basic laser characteristics, so that even a reader without detailed knowledge of laser diodes may follow the text. In order to understand the book, the reader should have a basic knowledge of electronics, semiconductor physics and optical communica tions. The work is primarily written for the engineer or scientist working in the field of optoelectronics; however, since the book is self-contained and since it contains a lot of numerical examples, it may serve as a textbook for graduate students. In the field of laser diode modulation and noise a vast amount has been published during recent years. Even though the book contains more than 600 references, only a small part of the existing literature is included.
The original edition of Klaus Grawe's book exploring the basis and need for a more generally valid concept of psychotherapy fueled a lively debate among psychotherapists and psychologists in German-speaking areas. Now available in English, this book will help spread the concepts and the debate among a wider audience. The book is written in dialog form. A practicing therapist, a research psychologist, and a therapy researcher take part in three dialogs, each of which builds on the results of the previous dialog. The first dialog explores how therapeutic change takes place, while the second looks at how the mechanisms of action of psychotherapy can be understood in terms of basic psychological concepts. Finally, in the third dialog, a psychological theory of psychotherapy is developed. The practical implications of this are clearly shown in the form of case examples, as well as guidance on indications and treatment planning. The dialog ends with suggestions as to how therapy training and provision of psychotherapy could be improved on the basis of the model of psychotherapy that has been developed.
The intimate relationship between global European expansion since the early modern period and the concurrent beginnings of the scientific revolution has long been acknowledged. The contributions in this volume approach the entanglement of science and cultural encounters - many of them in colonial settings - from a variety of perspectives. Historical and historiographical survey essays sketch a transcultural history of knowledge and conduct a critical dialogue between the recent academic fields of Postcolonial Studies and Science & Empire Studies; a series of case studies explores the topos of Europe's 'great inventions', the scientific exploitation of culturally unfamiliar people and objects, the representation of indigenous cultures in discourses of geographical exploration, as well as non-European scientific practices. 'Entangled Knowledges' also refers to the critical practices of scholarship: various essays investigate scholarship's own failures in self-reflexivity, arising from an uncritical appropriation of cultural stereotypes and colonial myths, of which the discourse of Orientalism in historiography and residual racialist assumptions in modern genetics serve as examples. The volume thus contributes to the study of cultural and colonial relations as well as to the history of science and scholarship.
This book introduces the groundbreaking work of the German critical psychologist Klaus Holzkamp. In contrast to contemporary psychology's worldlessness, the writings present a concept of psychology based on the individual's relations to the world and open up new perspectives on human subjectivity, agency and the conduct of everyday life.
Very Short Introductions: Brilliant, Sharp, Inspiring The Arctic is demanding global attention. It is warming, melting, and thawing in a manner that threatens fundamental state-change. For communities that call the Arctic 'home' this is unwelcome. A warming Arctic brings with it the spectre of costly disruption and interference in indigenous lives and communal welfare. For others, the disappearance of sea ice makes the Arctic appear more accessible and less remote. This also brings with it dangers such as the prospect of a new era of great power rivalries involving China, Russia, and the United States. Submarine and long-range bomber patrolling are now commonplace. New terms such as 'global Arctic' are being used to capture the dynamic of change while others muse about the 'return of a Cold War'. The reality is inevitably more complex. The physical geography of the Arctic is highly varied and variable. Environmental change brings opportunities for indigenous and non-indigenous life-forms to survive and even thrive. The Arctic's four million people are not helpless pawns in a game of global geopolitics. The Arctic is not only a resource hotspot but also a place where sustainable energy systems are being introduced. A warming Arctic with less ice and permafrost is not unique in the longer history of the Earth either. The Arctic is a complex space. In this Very Short Introduction, Klaus Dodds and Jamie Woodward consider the major dimensions of the region and the linkages beyond - from the geopolitical to the environmental. They examine the causes, drivers, and effects of cultural, physical, political, and economic change, and ponder the future of the Arctic. As they show, it is a future which will affect us all. ABOUT THE SERIES: The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area. These pocket-sized books are the perfect way to get ahead in a new subject quickly. Our expert authors combine facts, analysis, perspective, new ideas, and enthusiasm to make interesting and challenging topics highly readable.
You want to conduct a CAM study but don’t know how? Problem solved – Clinical Research demonstrates all aspects of state-of-the-art study design in an understandable and practical way. You will get a comprehensive overview and instruction – step by step. The code in the book will give you 12 months of free online access to the content and illustrations of the book. This practical training book: systematically introduces the key aspects of study design and basic statistics. helps you to develop, plan and execute your research project. combines established theoretical approaches with practical skills applicable to your own clinical study. is a step-by-step tutorial for a complete clinical study, which is illustrated in three case studies. includes additional training exercises, featuring different study conditions and environments, that will help you to practice and test your knowledge. Clinical Research in Complementary and Integrative Medicine – the best way to understand clinical research and to plan and perform your own study! Free online access: After activating the code inside this book you get free online access to the content and the illustrations for 12 months.
This book provides an overview of investigations into the interrela tions between stressful living conditions, individual coping strategies, and social support networks, on the one hand, and physiological, psychological, and social "health", on the other. Health is used as a broad term, and is defined as a state of physical and mental well being by which an individual is capable of processing inner and outer reality in a productive and satisfying manner. The potential stresses and strains inherent in the lifestyles of children, adolescents, and adults in contemporary industrial societies are the prime concern of this book. I try to offer a comprehensive view which takes modern socialization theory as its starting point. Chapter 1 introduces the subject and discusses the psychological and social "costs" that accompany life within modern industrial soci ety. Chapter 2 reviews research on types and distribution of social, psychological, and somatic disorders. Chapter 3 explores the risk fac tors and constellations of stressful life events, role conflicts, and tran sitions and focuses on the changes in types of demand or strains throughout the life span. Chapter 4 contains an analysis of the per sonal and social "resources" that can be mobilized if stress occurs.
Optical Fiber Current and Voltage Sensors is the first book to provide a complete, comprehensive and up to date treatment of the domain of fiber optic and polarimetric sensors, covering fundamental operating principles, characteristics, and construction. Written by one of the most recognised experts in polarimetric sensing, Optical Fiber Current and Voltage Sensors begins by covering the fundamentals of polarized light, as well as essential sensor components. The author then goes on to outline various sensor types and their applications, with a focus on sensors for electric phenomena. The chapters then lay out the demands that sensors need to meet, the technical obstacles and limitations which need to be considered. The book also covers comparisons to corresponding traditional instruments, as well as covering alternative non-conventional sensors. This book will be of interest to a broad audience of prospective readers ranging from graduate research students, to researchers in physics and engineering fields, to industry professionals active in the field who wish to learn about the technology and/or are interested in the development of new commercial solutions based on polarimetric-type fiber sensing as well as their use for high voltage current and voltage sensing.
Neuropsychotherapy is intended to inspire further development and continual empirical updating of consistency theory. It is essential for psychotherapists, psychotherapy researchers, clinical psychologists, psychiatrists, neuroscientists, and mental-health professionals. Profoundly important and innovative, this volume provides necessary know-how for professionals as it connects the findings of modern neuroscience to the insights of psychotherapy. Throughout the book, a new picture unfolds of the empirical grounds of effective psychotherapeutic work. Author Klaus Grawe articulates a comprehensive model of psychological functioning-consistency theory-and bridges the gap between the neurosciences and the understanding of psychological disorders and their treatment. Neuropsychotherapy illustrates that psychotherapy can be even more effective when it is grounded in a neuroscientific approach. Cutting across disciplines that are characteristically disparate, the book identifies the neural foundations of various disorders, suggests specific psychotherapeutic conclusions, and makes neuroscientific knowledge more accessible to psychotherapists. The book's discussion of consistency theory reveals the model is firmly connected to other psychological theoretical approaches, from control theory to cognitive-behavioral models to basic need theories.
4th International Workshop on Analogical and Inductive Inference, AII '94, 5th International Workshop on Algorithmic Learning Theory, ALT '94, Reinhardsbrunn Castle, Germany, October 10 - 15, 1994. Proceedings
4th International Workshop on Analogical and Inductive Inference, AII '94, 5th International Workshop on Algorithmic Learning Theory, ALT '94, Reinhardsbrunn Castle, Germany, October 10 - 15, 1994. Proceedings
This volume presents the proceedings of the Fourth International Workshop on Analogical and Inductive Inference (AII '94) and the Fifth International Workshop on Algorithmic Learning Theory (ALT '94), held jointly at Reinhardsbrunn Castle, Germany in October 1994. (In future the AII and ALT workshops will be amalgamated and held under the single title of Algorithmic Learning Theory.) The book contains revised versions of 45 papers on all current aspects of computational learning theory; in particular, algorithmic learning, machine learning, analogical inference, inductive logic, case-based reasoning, and formal language learning are addressed.
Ever since the boom of spectrum analysis in the 1860s, spectroscopy has become one of the most fruitful research technologies in analytic chemistry, physics, astronomy, and other sciences. This book is the first in-depth study of the ways in which various types of spectra, especially the sun's Fraunhofer lines, have been recorded, displayed, and interpreted. The book assesses the virtues and pitfalls of various types of depictions, including hand sketches, woodcuts, engravings, lithographs and, from the late 1870s onwards, photomechanical reproductions. The material of a 19th-century engraver or lithographer, the daily research practice of a spectroscopist in the laboratory, or a student's use of spectrum posters in the classroom, all are looked at and documented here. For pioneers of photography such as John Herschel or Hermann Wilhelm Vogel, the spectrum even served as a prime test object for gauging the color sensitivity of their processes. This is a broad, contextual portrayal of the visual culture of spectroscopy in the 19th and early 20th centuries. The illustrations are not confined to spectra--they show instruments, laboratories, people at work, and plates of printing manuals. The result is a multifacetted description, focusing on the period from Fraunhofer up to the beginning of Bohr's quantum theory. A great deal of new and fascinating material from two dozen archives has been included. A must for anyone interested in the history of modern science or in research practice using visual representations.
Following his seminal book Wood and Wood Joints, an essential reference on solid timber constructions for more than two decades, now in its third edition, Klaus Zwerger presents a study of the cultural history, construction and typology of a special building type: cereal drying racks. These structures were used to dry harvested crops in agrarian cultures all over the world and evolved over the centuries into buildings of great beauty that are as sophisticated and individual as they are functionally efficient. On countless expeditions, the author tracked down the remaining buildings, documenting and analyzing them in the context of their cultural and building history through detailed descriptions, line drawings and photographs, rendered in duotone, by the author.
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