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  • Technology Close-Up

Photonics Spectra
Jun 2001
Photonics Makes Sense of Color

Ken Kaufmann

Color is a visual cue that we often use to make judgments about our surroundings: Is an apple ripe? A steak fresh? Does this jacket match those pants?

For this reason, manufacturers go to a lot of trouble to ensure that a package's colors remain constant from lot to lot and that different pieces in a product match. Color-matching is very important for products as diverse as automobiles, soft drinks, dental parts and displays…

The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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