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Main page>IEC Standards>IEC 61280-2-10:2005 - Fibre optic communication subsystem test procedures - Part 2-10: Digital systems - Time-resolved chirp and alpha-factor measurement of laser transmitters
immediate downloadReleased: 2005-07-21
IEC 61280-2-10:2005
Fibre optic communication subsystem test procedures - Part 2-10: Digital systems - Time-resolved chirp and alpha-factor measurement of laser transmitters
Procédures d'essai des sous-systèmes de télécommunications à fibres optiques - Partie 2-10: Systèmes numériques - Mesure de la fluctuation de la longueur d'onde résolue dans le temps et du facteur alpha des émetteurs laser
This part of IEC 61280 sets forth standard procedures for measuring time-resolved chirp (TRC) on laser transmitters. The calculation of alpha-factor, a measure of transient chirp, is derived from the measured TRC data. Also covered is a means to verify the TRC set-ups and calculations (Annex A) and a review of laser modulation methods and the relationship of TRC to performance in a transmission system.