Dragonfire Laser
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Thermal Effects of High Power Laser Energy on Materials
This book offers a tutorial on the response of materials to lasers, with an emphasis on simple, intuitive models with analytical and mathematical solutions, using techniques such as Laplace Transformation to solve most complex heat conduction equations. It examines the relationship between existing thermal parameters of simple metals and looks at the characteristics of materials and their properties in order to investigate and perform theoretical analysis from a heat conduction perspective mathematically. Topics discussed include optical reflectivity of metals at infrared (IR) wavelengths, laser-induced heat flow in materials, the effects of melting and vaporization, the impulse generated in materials by pulsed radiation, and the influence of the absorption in the blow-off region in irradiated material. Written for engineers, scientists, and graduate-level engineering and physics students, Thermal Effects of High Power Laser Energy on Materials provides an in-depth look at high energy laser technology and its potential industrial and commercial applications in such areas as precision cutting, LIDAR and LADAR, and communications. The knowledge gained from this allows you to apply spaced-based relay mirror in order to compensate laser beam divergence back to its original coherency by preventing further thermal blooming that takes place during laser beam propagation through the atmosphere. Examines the state-of-the-art in currently available high energy laser technologies; Includes computer codes that deal with the response of materials to laser radiation; Provides detailed mathematical solutions of thermal response to laser radiation.
War Transformed
War Transformed: The Future of Twenty-First-Century Great Power Competition and Conflict provides insights for those involved in the design of military strategy, and the forces that must execute that strategy. Emphasizing the impacts of technology, new era strategic competition, demography, and climate change, Mick Ryan uses historical as well as contemporary anecdotes throughout the book to highlight key challenges faced by nations in a new era of great power rivalry. Just as previous industrial revolutions have advanced societies, the nascent fourth industrial revolution will have a similar impact on how humans fight, compete, and build military power in the twenty-first century. After reviewing the principle catalysts of change in the security environment, War Transformed seeks to provide a preview of the shape of war and competition in the twenty-first century. Ryan examines both the shifting character of war and its enduring nature. In doing so, he proposes important trends in warfare that will shape all aspects of human competition and conflict in the coming decades. The remainder of the book analyzes how military institutions must prepare for future competition and conflict. Competing and engaging in combat in this new era involves new and evolved strategies and warfighting concepts, as well as adapting our current military organizations. It will also demand building an intellectual edge in military personnel through evolved concepts of training, education, and development. As the competitive environment and potential battlefields continue to change, conceptions of combat, competition and conflict must also evolve. Mick Ryan makes the case for transforming how Western military institutions view war in this century.
Weapons and Warfare
Author: Spencer C. Tucker
language: en
Publisher: Bloomsbury Publishing USA
Release Date: 2020-03-26
This work covers major weapons throughout human history, beginning with clubs and maces; through crossbows, swords, and gunpowder; up to the hypersonic railgun, lasers, and robotic weapons under development today. Weapons and Warfare is designed to provide students with a comprehensive and highly informative overview of weapons and their impact on the course of human history. In addition to providing basic factual information, this encyclopedia will delve into the greater historical context and significance of each weapon. The chronological organization by time period will enable readers to fully understand the evolution of weapons throughout history. The work begins with a foreword by a top scholar and a detailed introductory essay by the editor that provides an illuminating historical overview of weapons. It then offers entries on more than 650 individual weapons systems. Each entry has sources for further reading. The weapons are presented alphabetically within six time periods, ranging from the prehistoric and ancient periods to the contemporary period. Each period has its own introduction that treats the major trends occurring in that era. In addition, 50 sidebars offer fascinating facts on various weapons. Numerous illustrations throughout the text are also included.