Encyclopedia of Color Science and Technology

Living Edition
| Editors: Ronnier Luo

Light, Electromagnetic Spectrum

  • Joanne ZwinkelsEmail author
Living reference work entry
DOI: https://doi.org/10.1007/978-3-642-27851-8_204-1



Light is so much a part of our everyday existence contributing to our quality of life, as well as a key enabler in photonics, solar power, and new lighting technologies, that the year 2015 has been declared by the UNESCO as the International Year of Light and Lighting Technologies.

Light has many different meanings depending upon the application.

When it is used to broadly describe optical radiation, it is defined as electromagnetic radiation with wavelengths between approximately 10 nm and 1 mm, i.e., a term that is used to describe the ultraviolet, visible, and infrared regions of the electromagnetic spectrum.

When it is used to describe a light stimulus, the International Lighting Vocabulary [1] gives the following two definitions: (1) It is a characteristic of all sensations and perceptions that is specific to vision, and (2) it is radiation that...


Electromagnetic Wave Electromagnetic Radiation Blackbody Radiation Electromagnetic Spectrum Electric Vector 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.National Research Council CanadaOttawaCanada