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基本説明
Provides a description of modern light sources, covering their uses in a range of sciences and industries as well as the relevant scientific and engineering principles. Features: •Describes modern light sources, such as LED; Covers high and low pressure discharges; and more.
Full Description
From the dialogues of the ancient Greek philosophers right up through the physical laws of Newton, the experiments of Thomas Young and the quantum physics pioneers, the study of light was all about observing its characteristics and defining its behavior. At the end of the 19th century, wicks, wax, and oil gave way to electricity, filaments, and gases, and scientific minds began to focus on the technological creation of light, as well as its control and diverse uses. Yet, despite more than a century of profound research and development, until now, the most complete resources on lighting technology have always been compiled by and subject to the biases of commercial lighting companies. Light Sources: Technologies and Applications answers the need of a huge and diverse range of scientists, technicians, and engineers involved in the use and development of light sources across any number of fields. Spectroscopy, architecture, lighting design, irradiation, optics, and imaging are just a few of these uses.After delving into basic principles of light and vision, the book focuses on the three main technologies used to create light through electricity (incandescent/filament, charged gas, solid state diode) and the various families of light sources and applications born out of the three. Written by Dr. Spiros Kitsinelis, highly respected for his work on the development of novel and energy efficient light sources, the book includes data needed by researchers and technicians, as well as comparative charts and explanatory diagrams. Dr. Kitsinelis also includes descriptions and photographs of representative products of each family of light sources. Concise and practical, while remaining both thorough and elegant, he offers a deeper analysis on the nature of light and the processes of creating it. Ultimately, he offers the depth required to satisfy pioneering research as well as applications to serve the immediate needs of everyday life.
Contents
Introduction References Basic Principles of Light and Vision Nature and Properties of Light Vision Light Source Characteristics White Light Measuring Light Electrical Incandescent Light Sources Conventional Incandescent Lamps Halogen Incandescent Lamps Evaluation of the Technology Codes/Product Categorization Electrocandolumnescence: A Novel Light Source General Sources Electrical Discharge Lamps Plasma Processes Elastic Collisions Inelastic Collisions Superelastic Collisions Low-Pressure Discharge Lamps Low-Pressure Mercury Vapor Discharges The Phosphors The Electrodes The Ballast Low-Pressure Noble Gas Discharges Low-Pressure Sodium Vapor Discharges Pressure Effect Thermal Equilibrium Line Broadening High-Pressure Discharge Lamps High-Pressure Mercury Vapor Discharges High-Pressure Sodium Vapor Discharges Metal Halide Discharge Lamps High-Pressure Xenon Gas Discharges Carbon Arc Lamp Induction Lamp s Low-Pressure Mercury Vapor Induction Lamp The Sulfur Lamp Pulsed Operation Alternative Discharge Light Sources Microdischarge Properties for Development of Light Sources References Solid-State Light Sources Light-Emitting Diode (LED ) Organic LED s LED White Light Emissions LED Operation Thermal Management of LEDs What Defines the Junction Temperature? Overheating Avoidance Dimming/Controlling the Brightness General Characteristics of LEDs Applications Signage-Visual Contact General Lighting-No Visual Contact with the Source Closing Remarks References and Useful Links Standards Dynamic Lighting Luminaires Lasers Bibliography Closing Remarks Appendix A: Tables of Indicative or Maximum Values for Various Lamp Characteristics and Their Applications Appendix B: The Different Sections of the Electromagnetic Spectrum Appendix C Appendix D: List of Phosphor Powders for Fluorescent Lamps Appendix E Appendix F INDEX
