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barbara jansen - BADA

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prelude<br />

daylight as much as possible and, when daylight is not sufficient, artificial<br />

light should include: an optimized light spectrum (this means a continuous<br />

and full light spectrum), changing over the day from short wavelengths in<br />

morning and daytime to long wavelengths in the evening, and also changing<br />

of light illuminance over day from i.e. increasing in the morning and decreasing<br />

in evening. This also includes large-area light sources that cover extensive<br />

the field of sight, especially from above a 45º–90º light wave angle to support<br />

an optimal lighting for the eye (Dehoff, 2008, see graphics below), and an<br />

interactive individual controllable lighting system for the user.<br />

Hence, light is an indispensable field of design both today and in the<br />

future. It also offers designers and artists an interesting field to work in.<br />

Although this thesis doesn`t aim to improve wellbeing through light design,<br />

scientific research strongly encourages a designer working with artificial<br />

lighting to develop an understanding for dynamic light. Yet, in earlier projects<br />

such as woven light – powered by sun light (2005-2006) and especially<br />

10°-30°: ineffective, 30°-45°: less good, 45°-90°:<br />

good, optimal, 90°-180°: not wanted, risk for glare<br />

10

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