By Ian Ashdown, P. Eng. (Ret.), FIES
Senior Scientist, SunTracker Technologies Ltd.
Numerous medical studies have shown that exposure to blue light at night suppresses the production of melatonin by the pineal gland in our brains and so disrupts our circadian rhythms. As a result, we may have difficulty sleeping. It is therefore only common sense that we should specify warm white (3000 K) light sources wherever possible, especially for street lighting.
True or false? Read More
[T-8] NOTE: This table’s section number was changed in RP-16-17 Addendum 1. The previous section number was 13.8. Read More
[T-9] NOTE: This table’s section number was changed in RP-16-17 Addendum 1. The previous section number was 13.9. Note: Information in this table was obtained from Appendix of CIE 86 (1990), CIE 1988 2º Spectral Luminous Efficiency Function for Photopic Vision. Note: This function is identical to V(λ) at wavelengths of 460 nm and longer. Read More
[T-5A] NOTE: This table’s section number was changed in RP-16-17 Addendum 1. The previous section number was 13.5A. Note: Information in this table was obtained from Table 1 of ISO/CIE 10527-1991, Colorimetric Observers. Read More
[T-5B] NOTE: This table’s section number was changed in RP-16-17 Addendum 1. The previous section number was 13.5B. Note: Information in this table was obtained from Table 2 of ISO/CIE 10527-1991, Colorimetric Observers. Read More
[T-6] NOTE: This table’s section number was changed in RP-16-17 Addendum 1. The previous section number was 13.6. Note: Information in this table was derived from Table 1.1 of CIE 15.2: 2004, Colorimetry, 3rd ed. Read More
[T-7] NOTE: This table’s section number was changed in RP-16-17 Addendum 1. The previous section number was 13.7. Read More
[T-1] NOTE: This table’s section number was changed in RP-16-17 Addendum 1. The previous section number was 13.1. Read More
[T-2] NOTE: This table’s section number was changed in RP-16-17 Addendum 1. The previous section number was 13.2. Read More
[T-3] NOTE: This table’s section number was changed in RP-16-17 Addendum 1. The previous section number was 13.3. Read More
