What is light? The visible spectrum and beyond

Eye
D H Sliney

Abstract

In this International Year of Light, it is particularly appropriate to review the historical concept of what is light and the controversies surrounding the extent of the visible spectrum. Today we recognize that light possesses both a wave and particle nature. It is also clear that the limits of visibility really extend from about 310 nm in the ultraviolet (in youth) to about 1100 nm in the near-infrared, but depend very much on the radiance, that is, 'brightness' of the light source. The spectral content of artificial lighting are undergoing very significant changes in our lifetime, and the full biological implications of the spectral content of newer lighting technologies remain to be fully explored.

References

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Citations

Nov 10, 2017·Canadian Journal of Public Health = Revue Canadienne De Santé Publique·Katie P Bennett, Wendy Maloney
Apr 7, 2020·Health Physics·UNKNOWN International Commission on Non-Ionizing Radiation Protection (ICNIRP)
Mar 19, 2020·Photodermatology, Photoimmunology & Photomedicine·Syed Mehmood Ali, Uzma Ali
Sep 11, 2020·Scientific Reports·Yuki OtsukaAkitaka Tsujikawa
Apr 9, 2019·Ophthalmic & Physiological Optics : the Journal of the British College of Ophthalmic Opticians (Optometrists)·Sumeer SinghLaura E Downie
Jun 14, 2020·Photochemistry and Photobiology·Enrique Navarrete- de GálvezAlfonso Gago-Calderón
Jan 26, 2021·Frontiers in Neuroscience·Patrycja Orlowska-FeuerMarian Henryk Lewandowski
Jan 16, 2021·International Journal of Environmental Research and Public Health·Oluwapelumi OsibonaDaniela Fecht
Feb 13, 2021·International Journal of Environmental Research and Public Health·Davide Elia BertaniSilvia Ferrari
Mar 6, 2021·Frontiers in Immunology·Francesca GranataElena Di Pierro
Aug 9, 2020·Biomedicine & Pharmacotherapy = Biomédecine & Pharmacothérapie·Xinli OuyangGuohui Wang
Sep 28, 2019··David H. Sliney, David H. Sliney

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