科研之友
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摘要
A model is presented which determines the optimal placement of narrow-band emitters in a pair of light sources, where the correlated colour temperature (CCT) of the illumination is controlled by varying the relative intensity of the light sources. This model was exercised to determine optimally-placed 30nm and 60nm bandwidth emitters across the target range of CCTs. The results suggest that a lamp capable of high Colour Rendering Index values with respect to daylight illumination across CCT values between 4000K and 10000K can be formed from as few as three independently-selected 30 or 60nm bandwidth emitters within each source. However, when the model is constrained to require the same emitters in both light sources, adequate colour rendering requires at least four 30nm or three 60nm bandwidth emitters.
- 出版日期2016-4
