光纖耦合器中V型槽陣列定位誤差的測量與評定.pdf

1、哈爾濱工業(yè)大學（深圳）碩士學位論文光纖耦合器中V型槽陣列定位誤差的測量與評定姓名：董鑫申請學位級別：碩士專業(yè)：機械電子工程指導教師：高棟20050301哈爾濱工業(yè)大學工學碩士學位論文AbstractInthefieldofopticfibercommunication，notonlythehighqualityopticalsource，fiberandphotoelectricdetectorbutalsothelightcoupli

2、ngoffibertolaserSOUrcefibertofiberandfibertophotoelectricdetector8reneededFiberandotheropticaldevicesbecomemoreandmoreintegrative，astheeommanication_incrementofopticalcommunicationwebAccordinglytheintegrativeopticaldevic

3、esuchasAWGandlaserarrayaremadeTherefore，thefibercommtmicationsystemwithhighspeedandhighcapacityhasbecomethechiefschemeinmostcountriesincludingChinaAtpresent，thetechnologyofAWGproductionismaturebasicallyManyforeigncorpora

4、tionscanproduceAWGchipsandthepriceofAWGisfallingdaybydayButthepriceofAWGmoduleiskeptonamlativehighlevelThereasonisthatthetechnologyofcouplingencapsulationisverydifficultSotheprecisionofVGroovedesignedforprecisepositionis

5、crucialtocouplingencapsulationEspeciallyforsinglemodefiberthefibercoreissofinethatveryhighpreciseVGrooveisneededInmanyfactors，whichinducethefiberinsertionlose，therelativepositionbetweenfiberandwaveguideisthemostimportant

6、factorThewidthanddepthofwaveguidethediameteroffibercoreareallmeasuredonmicrometerslevel，sothetoleranceisverylowAccordinglythemachiningandmeasurementofVGrooveisharderthanthatofbiggerthingsTheaimofthisthesisistofindahighef

7、ficiencymeasuremethodteducethemeasuretimeathighprecisionHowtomeasureVGroovepreciselyisadifficultproblemallalonginthephotoelectricityindustryUsuallytheVGroovecan’tbemeasuredbygeneralmeasureequipments，becauseofitsparticula

8、rstructureThereforetheTaylsurfme踮1lreeq試pmentproducedbyTalorHarbsonCorporationisselected，withwhichexperimentsfor2Dmeasllrementand3DmeasurementarecarriedoutrespectivelyTheresultsoftheexperimentshowthatthe2Dmeasuremethodis