Lasers


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Lasers
1010606LasersThe word laser is an acronym for Light Amplification by Stimulated Emission of Radiation. Laser action is most commonly used to generate light. However, a laser can also be used to amplify light generated by an external source. An excellent example of this application is the erbium-doped fiber amplifier that is used in optical fiber communications to amplify light signals at 1550 nm. There is no battery hooked up to an erbium-doped fiber amplifier. It ge…
Citation
Thomas P. Pearsall: Photonics Essentials. Lasers, Chapter (McGraw-Hill Professional, 2003), AccessEngineering Export