基于温度、电流自动控制的半导体激光器稳频技术研究(4)

惜文 分享 2021-06-02 下载文档

ABSTRACT

With

mainlightdevelopmentofopticaltelecommunication.semiconductorIaserhasbecomethesourceOperatingsemiconductorlaserwillgenerateheat,whichwillseverely

Inordertorestrictthewavelengthemittedimpairitsoutputperformancebythelaser.

frequencystabilizationmustbedeployed

This

componentarticletakesFADOFopticfilterpaperemployedasthereferenceoffrequencystabilizingtoThisdirectlightfeedbackapproachandintelligentcontrol

toenhancethelong-termsteadinessofthesemiconductorlaserandtheresistance

environmentalinterference,enablingitsoperationoverthelongtime

onConsideringthatthetemperatureandcurrenthavecriticalinfluence

emiRed,besidesthefrequencyunitandutilizingFADOF

arelighttofeedbackstrategy.currentcontroltemperaturecontrolcircuitdesignedreducethefrequencythefrequencyfluctuation.

sensorUsingthermo-sensitiveresistanceNTC

ofthesystem.weasthetemperatureconstantandTECasexecutivepartsystemAfterdesignedahigh precisiontemperaturecontrol

analysingitcanfulfiltherequestoffrequencystabilization

Keywords:Semiconductorlaser

Fuzzy PIDstablefrequencytechnologyintelligentcontrol


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