Thursday, October 29, 2009

Electromagnetic spectrum



􀂙Covers DC to cosmic rays
􀂙Three basic categories of light
􀁽 Infrared: wavelength from 770 to 106 nm
fiber optics 800 - 1600 nm
􀁽 Visible: 390 to 770 nm
ranges from violet 390nm to red 770 nm
􀁽 Ultraviolet: 10 - 390 nm


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