用于测量光纤中模式色散和材料色散的砷化镓双激光器装置

GaAs Twin-Laser Setup to Measure Mode and Material Dispersion in Optical Fibers.

作者信息

Gloge D, Chinnock E L, Lee T P

出版信息

Appl Opt. 1974 Feb 1;13(2):261-3. doi: 10.1364/AO.13.000261.

DOI:10.1364/AO.13.000261

PMID:20125970

Abstract

Two synchronously self-pulsing GaAlAs lasers, emitting at slightly different wavelengths, are combined in a setup which evaluates mode and material dispersion in multimode fibers. The results show that material dispersion which causes a pulse broadening of 3.6 ns/km, which may represent a serious limit to the bit rates achievable in a multimode fiber system using an LED source.

摘要

两个同步自脉冲的 GaAlAs 激光器，发射波长略有不同，在一个用于评估多模光纤中模式和材料色散的装置中进行组合。结果表明，材料色散会导致每公里 3.6 纳秒的脉冲展宽，这可能对使用发光二极管（LED）光源的多模光纤系统中可实现的比特率构成严重限制。