Cover Story
Lighting: New Technology, New Techniques
Timothy Fohl, Edward R. Freniere, and Jeffrey T. Remillard
The emergence of diode lasers as sources of illumination has created opportunities for greatly improved quality and efficiency in lighting systems. It has also created a demand for new methods of designing and fabricating optics to... more>>
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Architectural Lighting & Energy Efficiency
Mark S. Rea
Architecture can be broadly defined as the built environment
for human occupation and use. It ranges from homes and offices to capitol buildings and other
monuments to our heritage and social values, as well as golf courses and recreational sites.
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Hidden Devices that Light Our World: Lightpipes
Bill Cassarly, David Jenkins, Anurag Gupta, and R. John Koshel
Lightpipes are used in a wide range of applications including automotive dashboards, pool and spa lighting, jewelry cases, liquid crystal backlights, and projection systems. Their main purpose is to transport flux from the source to the target. The complexity of lightpipe designs continues to increase as improvements in illumination software and computer speed allow better systems to be built.
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New Methods of Reflector Design
Harald Ries, Julius Muschaweck, and Andreas Timinger
Illumination optics seeks to produce a desired distribution of light on a given target
surface,starting from a source of known characteristics. Illumination optics
differs from the optical design of imaging systems in that images are not required in the
illumination system—the formation of images, in fact, is usually to be avoided.
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