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

