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Glossário de Termos da Anatel
Dispersão
1. Alargamento temporal do pulso luminoso de entrada ao longo do comprimento da fibra óptica, causado principalmente por diferença nos caminhos ópticos percorridos em fibras multimodo (dispersão modal) ou por diferenças de velocidade de propagação na transmissão de diferentes comprimentos de onda em fibras monomodo (dispersão cromática). A dispersão resulta em distorção do sinal transmitido;