The transmission of visible light pulses over the air (wireless) rather than in an optical fiber. See Li-Fi and optical wireless communication. THIS DEFINITION IS FOR PERSONAL USE ONLY.

Light-emitting diodes (LEDs) are widely used electroluminescent devices that emit light in response to an applied electric ...

Li-Fi functions as a Visible Light Communications system; at its core, data is transferred from LED light bulbs. These bulbs carry pulses of light that produce information similar to Morse code.

The infrared and ultraviolet bands precede and follow visible light. See visible light communication. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...