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Photonics Handbook
A unique collection of technical design and applications articles, as well as technology primers presenting the basics of the photonics technology.
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General Information
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ARTICLE OF THE HOUR
Heat Control and Lighting Systems Design
Optical Coatings Separate Light from Heat
Modern coating technology offers the lighting system designer a number of ways to deal with heat radiation. Controlling and minimizing heat output is desirable in most lighting applications. For example, conventional incandescent light sources are very inefficient with only a small portion of the electrical power used converted into visible light. If the entire output from a tungsten bulb is concentrated in a projection system or a spotlight, a tremendous amount of unnecessary heat is also put
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