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Designing Lighting Systems Tuned to Circadian Rhythms

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Advances in precisely tunable, solid-state lighting, wearable physiological sensors have opened new possibilities for highly sophisticated and intelligent lighting control systems.

UTE BESENECKER, LIGHTING SCIENCE, AND KEN APPLEMAN

There is a lot of interest these days in the physiological effect of light on the human body. Variously referred to as human-centric lighting, biological lighting, or circadian lighting, all reflect the emerging understanding that light can have a profound effect not just on what we see around us but also upon our health. Light affects the daily rhythms of the body, including the sleep-wake cycle1; and it can impact obesity, energy and awareness2, depression, and even, among patients with various forms of dementia, agitation levels3. Precision lighting provides the optimal sleeping...Read full article

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    Published: April 2017
    Light SourcesLEDsSensors & Detectorssolid-state lightingwearablesphysiological sensorshuman-centric lightingbiological lightingcircadian lightingcorrelated color temperature (CCT)chromacticity coordinatesphotoreceptorsUte BeseneckerKen ApplemanLighting Science GroupFeatures

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