Chapter 13

Lamp Technology

The electric light has caused me the greatest amount of study and has required the most elaborate experiments.—Thomas A. Edison

Some of the biggest advances in automated lighting technology have been in the area of optical systems. Computer-aided design of reflectors, lithographic techniques, and optical thin-film coatings have helped to improve efficiency, color saturation, and the clarity of image projection. But perhaps the biggest advances have been in the area of lamp technology—the area with the most potential for advances. Years of research have led to the development of lamps with improved average life, color rendering, imaging, and efficiency. Still, our most efficient lamp sources waste more than half of ...

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