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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