聲光調(diào)QDPL中聲光衍射效率特性的研究.pdf

1、西安電子科技大學(xué)碩士學(xué)位論文聲光調(diào)QDPL中聲光衍射效率特性的研究姓名：于曉芳申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：光學(xué)工程指導(dǎo)教師：過(guò)振20070101ABSTRACTThediffractioncapabilityoftheAcoustoopticalQ—switchhaseffectonthecharacteristicsoftheoutputpulseinthehighgainDPL(diodepumpedsolidstatelaseOThi

2、spaperismainly011thediffractionefficiencywhenincidentlightisnonparalleledandtheeffectofthediffractionefficiencyvariationrateOlltemporalcharacteristicsoftheoutputpulseThedistributionofdiffzactionefficiencywasmeasuredexper

3、imentallywhentheincidentlightisnonGaussianandtheincidentlocationisnotatthewaist，andWascalculated訊ththemethodofanglespectrumconceptionityieldsthatthemaximizediffractionefficiency啪notbeobtainedwhentheincidentlocationisatth

4、ewaistforastableincidentlightdistributionThismethodoffersa∞fcrencetocalculatediffnctionefficiencyforamorecommonincidentlightdistributionThenthepaperdealswiththeeffectofthediffractionefficiencyvariationrateonthetimerequir

5、edforthelaserpulset0buildupandtheshapeofthepulseTheeffectofconstantandvariablediffractionefficiencyvariationmteonthecharacteristicsoftheoutputpulseacoDrdingtotheexperimentalsituationItisfoundthattheexistenceoftheeffectof

6、thedfffraaionefficiencyvariationrateonthecharacteristicsoftheoutputpulseisdependedOnthematchingofthetimerequiredforthelaserpIllsetobuild叩andtheSwitchingtimeSothediffractionefficiencyvariationrateandparametersthataffectth

7、etimerequiredforalaserpIll∞tobuiMupcanbeselectedforpracticalneedtominimizedtheeffectofthediffractionefficiencyvariationrateonthequalityoftheoutputpulseKeywords：LDendpmpedsolidstalelaserdiffractionefficiencyvariationrateA