Icon class icon_class fas fa-quote-left icon_class_computed fas fa-quote-left Source Wikipedia Copyright information Text from Wikipedia articles quoted for educational purposes is subject to the Wikipedia Creative Commons Attribution ShareAlike Licence Snippet kind INFO Keywords infrared infrared astronomy near infrared Previous snippet Full quote Near Infrared: 2.0 to 2.4: Wavelength (micrometres): K band: Most major optical telescopes and most dedicated infrared telescopes. Next snippet Related snippets Related snippets (backlinks) Optical radiation is part of the electromagnetic spectrum. It is subdivided into ultraviolet radiation (UV), the spectrum of light visible for man (VIS) and infrared radiation (IR). It ranges between wavelengths of 100 nm to 1 mm [DISPUTED] Related content Optical radiation, visible, UV, and infrared Visit also Visit also (backlinks) Flags