Technologies Of Light
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| Author | : Mikkel Bille |
| Publisher | : Taylor & Francis |
| Total Pages | : 193 |
| Release | : 2019-01-24 |
| Genre | : Architecture |
| ISBN | : 1350057193 |
Using case studies, such as the use of candlelight and energy saving lightbulbs in Denmark, this book unravels light's place at the heart of social life. In contrast to common perception of light as a technical and aesthetic phenomenon, Mikkel Bille argues that there is a cultural and social logic to lighting practices. By empirically investigating the social role of lighting in people's everyday lives, Mikkel Bille reveals how and why people visually shape their homes. Moving beyond the impact of its use, Bille also comments on the politics of lighting to examine how ideas of pollution and home act as barriers for technological fixes to curb energy demand. Attitudes to these issues are reflective of how human perceptions and practices are central to the efforts to cope with climate change. This ethnographic study is a must-read for students of anthropology, cultural studies, human geography, sociology and design.
| Author | : T. Q. Khan |
| Publisher | : John Wiley & Sons |
| Total Pages | : 517 |
| Release | : 2015-02-09 |
| Genre | : Science |
| ISBN | : 3527412123 |
Promoting the design, application and evaluation of visually and electrically effective LED light sources and luminaires for general indoor lighting as well as outdoor and vehicle lighting, this book combines the knowledge of LED lighting technology with human perceptual aspects for lighting scientists and engineers. After an introduction to the human visual system and current radiometry, photometry and color science, the basics of LED chip and phosphor technology are described followed by specific issues of LED radiometry and the optical, thermal and electric modeling of LEDs. This is supplemented by the relevant practical issues of pulsed LEDs, remote phosphor LEDs and the aging of LED light sources. Relevant human visual aspects closely related to LED technology are described in detail for the photopic and the mesopic range of vision, including color rendering, binning, whiteness, Circadian issues, as well as flicker perception, brightness, visual performance, conspicuity and disability glare. The topic of LED luminaires is discussed in a separate chapter, including retrofit LED lamps, LED-based road and street luminaires and LED luminaires for museum and school lighting. Specific sections are devoted to the modularity of LED luminaires, their aging and the planning and evaluation methods of new LED installations. The whole is rounded off by a summary and a look towards future developments.
| Author | : Spiros Kitsinelis |
| Publisher | : CRC Press |
| Total Pages | : 282 |
| Release | : 2015-05-21 |
| Genre | : Science |
| ISBN | : 1482243695 |
Decide Which Lighting Technology Is Best for Your ApplicationLight Sources, Second Edition: Basics of Lighting Technologies and Applications presents an overview of the three main technologies that have produced the numerous families of lighting products on the market today: electrical incandescence, electrical gas discharges, and semiconductor lig
| Author | : Erwin-Ulrich Kotte |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 153 |
| Release | : 2012-12-06 |
| Genre | : Technology & Engineering |
| ISBN | : 3642955754 |
Discoveries and inventions periodically cause new technological developments within human societies. Key inventions and their accompanying economic and social changes can be seen as the main promoters of technological and structural progress. Many examples of change can be traced back to key inventions. At the end of the last century, one of the major lines of technological development was the implementation of electricity, the introduction of electric current. Inno vations were generated both by applying the "low quality" thermal and energy transmission properties, as well as by studying "high quality" characteristics like signal processing and electromagnetic wave propagation. In the field of signal processing, particular devices like the thermionic valve, the transistor and the (micro) chip deserve mention. Regarding energy generation, distribution and consumption, huge investments were made in coal and nuclear power plants, as well as in consumer and industrial electric appliances. Which innovations can be expected to improve or replace some of the applications (products, processes) of electricity? Thinking of an important technology invented about three decades ago - the laser - coherent light plays the key role in the process ("light amplification by stimulated emission of radiation"). Thus the new term technologies of light can be used for such innovations. Extending the definition, "technologies of light" or "photonics" can be defined as any methods, processes or products which make use of the spectrum of light, and any systems whose function is to study, measure, transform or transmit by means of light.
| Author | : Brian Fitt |
| Publisher | : Focal Press |
| Total Pages | : 312 |
| Release | : 2002 |
| Genre | : Performing Arts |
| ISBN | : 9780240516516 |
First Published in 2001. Routledge is an imprint of Taylor & Francis, an informa company.
| Author | : Spiros Kitsinelis |
| Publisher | : CRC Press |
| Total Pages | : 171 |
| Release | : 2012-05-18 |
| Genre | : Technology & Engineering |
| ISBN | : 1439899320 |
With the help of guides and tables, this book assists readers in making the right lighting technology choices for specific applications, introduces readers to the topic of dynamic lighting that can accommodate a range of needs and tasks under one system, and helps a variety of professionals (from local authorities to doctors) to design the appropriate living and working environments for a wide spectrum of people with special requirements. In addition, the text can be useful to anyone interested in everyday use of light sources or looking for lighting solutions.
| Author | : Robert Karlicek |
| Publisher | : Springer |
| Total Pages | : 0 |
| Release | : 2016-05-08 |
| Genre | : Technology & Engineering |
| ISBN | : 9783319001753 |
The Handbook of Advanced Lighting Technology is a major reference work on the subject of light source science and technology, with particular focus on solid-state light sources – LEDs and OLEDs – and the development of 'smart' or 'intelligent' lighting systems; and the integration of advanced light sources, sensors, and adaptive control architectures to provide tailored illumination which is 'fit to purpose.' The concept of smart lighting goes hand-in-hand with the development of solid-state light sources, which offer levels of control not previously available with conventional lighting systems. This has impact not only at the scale of the individual user, but also at an environmental and wider economic level. These advances have enabled and motivated significant research activity on the human factors of lighting, particularly related to the impact of lighting on healthcare and education, and the Handbook provides detailed reviews of work in these areas. The potential applications for smart lighting span the entire spectrum of technology, from domestic and commercial lighting, to breakthroughs in biotechnology, transportation, and light-based wireless communication. Whilst most current research globally is in the field of solid-state lighting, there is renewed interest in the development of conventional and non-conventional light sources for specific applications. This Handbook comprehensively reviews the basic physical principles and device technologies behind all light source types and includes discussion of the state-of-the-art. The book essentially breaks down into five major sections: Section 1: The physics, materials, and device technology of established, conventional, and emerging light sources, Section 2: The science and technology of solid-state (LED and OLED) light sources, Section 3: Driving, sensing and control, and the integration of these different technologies under the concept of smart lighting, Section 4: Human factors and applications, Section 5: Environmental and economic factors and implications
| Author | : Vicente M. Gómez-López |
| Publisher | : John Wiley & Sons |
| Total Pages | : 469 |
| Release | : 2021-12-13 |
| Genre | : Technology & Engineering |
| ISBN | : 111975951X |
A comprehensive source of in-depth information provided on existing and emerging food technologies based on the electromagnetic spectrum Electromagnetic Technologies in Food Science examines various methods employed in food applications that are based on the entire electromagnetic (EM) spectrum. Focusing on recent advances and challenges in food science and technology, this is an up-to-date volume that features vital contributions coming from an international panel of experts who have shared both fundamental and advanced knowledge of information on the dosimetry methods, and on potential applications of gamma irradiation, electron beams, X-rays, radio and microwaves, ultraviolet, visible, pulsed light, and more. Organized into four parts, the text begins with an accessible overview of the physics of the electromagnetic spectrum, followed by discussion on the application of the EM spectrum to non-thermal food processing. The physics of infrared radiation, microwaves, and other advanced heating methods are then deliberated in detail—supported by case studies and examples that illustrate a range of both current and potential applications of EM-based methods. The concluding section of the book describes analytical techniques adopted for quality control, such as hyperspectral imaging, infrared and Raman spectroscopy. This authoritative book resource: Covers advanced theoretical knowledge and practical applications on the use of EM spectrum as novel methods in food processing technology Discusses the latest progress in developing quality control methods, thus enabling the control of continuous fast-speed processes Explores future challenges and benefits of employing electromagnetic spectrum in food technology applications Addresses emerging processing technologies related to improving safety, preservation, and overall quality of various food commodities Electromagnetic Technologies in Food Science is an essential reading material for undergraduate and graduate students, researchers, academics, and agri-food professionals working in the area of food preservation, novel food processing techniques and sustainable food production.
| Author | : Mohammad D. Al-Amri |
| Publisher | : Springer |
| Total Pages | : 509 |
| Release | : 2016-12-12 |
| Genre | : Science |
| ISBN | : 3319319035 |
Light and light based technologies have played an important role in transforming our lives via scientific contributions spanned over thousands of years. In this book we present a vast collection of articles on various aspects of light and its applications in the contemporary world at a popular or semi-popular level. These articles are written by the world authorities in their respective fields. This is therefore a rare volume where the world experts have come together to present the developments in this most important field of science in an almost pedagogical manner. This volume covers five aspects related to light. The first presents two articles, one on the history of the nature of light, and the other on the scientific achievements of Ibn-Haitham (Alhazen), who is broadly considered the father of modern optics. These are then followed by an article on ultrafast phenomena and the invisible world. The third part includes papers on specific sources of light, the discoveries of which have revolutionized optical technologies in our lifetime. They discuss the nature and the characteristics of lasers, Solid-state lighting based on the Light Emitting Diode (LED) technology, and finally modern electron optics and its relationship to the Muslim golden age in science. The book’s fourth part discusses various applications of optics and light in today's world, including biophotonics, art, optical communication, nanotechnology, the eye as an optical instrument, remote sensing, and optics in medicine. In turn, the last part focuses on quantum optics, a modern field that grew out of the interaction of light and matter. Topics addressed include atom optics, slow, stored and stationary light, optical tests of the foundation of physics, quantum mechanical properties of light fields carrying orbital angular momentum, quantum communication, and Wave-Particle dualism in action.
| Author | : Jian-Jang Huang |
| Publisher | : Woodhead Publishing |
| Total Pages | : 673 |
| Release | : 2014-02-14 |
| Genre | : Technology & Engineering |
| ISBN | : 0857099302 |
The development of nitride-based light-emitting diodes (LEDs) has led to advancements in high-brightness LED technology for solid-state lighting, handheld electronics, and advanced bioengineering applications. Nitride Semiconductor Light-Emitting Diodes (LEDs) reviews the fabrication, performance, and applications of this technology that encompass the state-of-the-art material and device development, and practical nitride-based LED design considerations. Part one reviews the fabrication of nitride semiconductor LEDs. Chapters cover molecular beam epitaxy (MBE) growth of nitride semiconductors, modern metalorganic chemical vapor deposition (MOCVD) techniques and the growth of nitride-based materials, and gallium nitride (GaN)-on-sapphire and GaN-on-silicon technologies for LEDs. Nanostructured, non-polar and semi-polar nitride-based LEDs, as well as phosphor-coated nitride LEDs, are also discussed. Part two covers the performance of nitride LEDs, including photonic crystal LEDs, surface plasmon enhanced LEDs, color tuneable LEDs, and LEDs based on quantum wells and quantum dots. Further chapters discuss the development of LED encapsulation technology and the fundamental efficiency droop issues in gallium indium nitride (GaInN) LEDs. Finally, part three highlights applications of nitride LEDs, including liquid crystal display (LCD) backlighting, infrared emitters, and automotive lighting. Nitride Semiconductor Light-Emitting Diodes (LEDs) is a technical resource for academics, physicists, materials scientists, electrical engineers, and those working in the lighting, consumer electronics, automotive, aviation, and communications sectors. Reviews fabrication, performance, and applications of this technology that encompass the state-of-the-art material and device development, and practical nitride-based LED design considerations Covers the performance of nitride LEDs, including photonic crystal LEDs, surface plasmon enhanced LEDs, color tuneable LEDs, and LEDs based on quantum wells and quantum dots Highlights applications of nitride LEDs, including liquid crystal display (LCD) backlighting, infra-red emitters, and automotive lighting
