Optical Amplifiers: A device that amplifies optical alerts without the need to transform them into electrical energy. Also called optical repeaters. Because fiber-optics takes advantage of gentle rather than electricity to transmit facts, the frequencies which can be used tend to be bigger and the data capability is far http://opticalsystem81357.blogocial.com/Helping-The-others-Realize-The-Advantages-Of-Optics-fiber-30072196