FMCW传感测量中的半导体激光器调频特性分析  

The characteristic analyzing of frequencymodulated semiconductor laser diode used in FMCW measuring system

作　　者：黄锐[1] 吕海宝[1] 楚兴春[1] 陈岚岚 

机构地区：[1]国防科技大学机械电子工程与仪器系

出　　处：《激光杂志》1998年第1期22-26,共5页Laser Journal

基　　金：国防科技试验关键技术资金

摘　　要：本文对半导体激光器的直接电流调制特性进行了综合性的讨论，对影响其频移特性的因素进行了分析。在此基础上，对低频范围内半导体激光器随调制电流变化的频率调制特性对ＦＭＣＷ技术的影响进行了讨论。In this paper,the characteristics of semiconductor laser diode whose current is directly modulated are described synthetically.Several factors that limited the frequencyshift property of semiconductor laser diode are analyzed simultaneously.Moreover,the influence caused by the freqeuncymodulated laser diode used in FMCW measuring system in low frequency domain is also discussed.

关 键 词：激光器 调频特性 FMCW 半导体激光器 

分 类 号：TN248.4[电子电信—物理电子学]