搜索
:100520086(2001)0920984205X,(,150001):,:;;;:TN253:ARecentResearchActivitiesandTrendofGRINLensandItsApplicationTANJiu2bin,ZHANGJie(DepartmentofAutomaticMeasurementandControl,HIT,Harbin150001,China)Abstract:GRINlensarekeydevicesforfiberopticalsensor.Firstlytheperformanceandthelatestdevel2opmentofGRINlensareintroducedinthispaper.Then,wediscussedtheapplicationsoftheGRINlensintheareasofopticalfibersensingtechnologyandallopticalnetworkAON,andintroducedtherecentresearchactivitiesoftheGRINlensandtheexistenceproblem.Atlast,wepointedouttheresearchtrendsandthepromisingprospectofGRINlens.Keywords:fiber2opticsensor;GRINlens;GRINoptics;fiber2optic1,1954(JCMaxwell),1968,,,,,,,,,1,[1]n2(r)=n2(0)[1-h2(gr)2+h4(gr)4+h6(gr)6+](1),n(0)n(r)r;h2h4h6h2=gh=1ö4h6=0,(1)n(r)=n(0)1-12Ar2(2),,(2),A,12920019JournalofOptoelectronicsLaserVol.12No.9Sep.2001X:2001202220:20012042023:(50075020)©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=ýn(3),ddsndrds=dndr(3),52r5z2=-Ar(5)r2r2=cos(AZ)1n0Asin(AZ)-n0Acos(AZ)cos(AZ)r1r2(6),r1r2;r1r2r1r2;Z2:1),r2=0,(6)r2=r1cos(Az)(7),1,()P=2PöA;2)1ö4,(6)r2r2=01n0A-n0A0r1r2(8),r1=0,(7)r2=0,0,,,r1=0,(8)r2=0,,1Fig.1SinusoidalraypathsthroughaGRINlens22.1[2]LD[3,4]:(),,,l1NAMNA,3,l1,,,2.2,,1ö4,1ö2,1ö4,,:,,,,,2.3,,,,,LGAtkinson2,f=10mm,221.8,12,6JDForer2,f=21.4mm,50,10,DTMoore,2.4()(),,5899:©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[5][6],,2.5[7-9],2L1L2R1ö4,S20,L2T,FL1L2F6,L1HF,L2,,L2,$y,L2$x,$y=lcosH,$x=lsin(180-2H),$xö$y=2sinH(9)2Fig.2Measuringsetupofdisplacement,L2,,10-9m,10-8m2.6Fizeau3[10,11]He2NeP1,BSGL,M1,M2M3GL,,,PD,:,;,;,,[12]3FizeauFig.3FizeauinterferencelightroutewithGRINlens2.7,,[13,14][15][16,17],(STM),,STM45,15,1,,51,,,,,2,(),4STM5Fig.4ThepositionofopticalFig.5Muti-fiberholderfiberssurroundingSTMtipandsample6689200112©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.ö4,,,;,,,,,,:,,,10-9,;,,,,,(),,,,,,,4,,,;,,,,,,,,,,,:[1],1[M]1:,199113092331.[2]1[A]1[C]11987,129.[3]FHanson.EfficientOperationofaRoomTemperatureNd:YAG964nmLaserPumpedwithmultiplediodearrays[J].Opt.Lett.,1995,20(2):1482153.[4],1DPL[J]1,1995,16(5):1972200.[5]1[J]1,1997,17(1):76278.[6],11ö4[J]1,1991,15(3):63266.[7]SDCusworth,JMSenior.AreflectiveopticalsensingtechniqueemployingaGRINrodlens[J].J.Phys.(E),1987,20(1):1022103.[8]PatrickJMurphy,ThomasPCoursolle.Fiberopticsdisplacementsensoremployingagradedindexlens[J].Appl.Opt.,1990,29(4):5442547.[9],,1[J]1,1996,16(6):8162821.[10],,1[J]1,1999,26(10):9072911.[11]El2Ghanddor,HNasser,Ibraheem,etal.TheoreticalmodelforthetransverseinterferencepatternofGRINopticalfiberusingalasersheetoflight[J].7899:©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(4):2812286.[12]TKGangopadhyay,PJHenderson,ADStokes.Vi2brationmonitoringbyusingadyanmicproximitysensorwithinterferometricencoding[J].Appl.Opt.,1997,36(22):555725561.[13]WJTomlinson.ApplicationsofGRINRodlensesinOpticalFiberCommun[J].Appl.Opt.,1980,19(8):112721131.[14],1[J]1,1996,16(1):31235.[15],,1[J]1,1996,(4):2562230.[16]GARines.Fiber2opticAccelerometerwithHydw2phoneApplications[J].Appl.Opt.,1981,20(24):345323459.[17]1[J]1,1995,(2):8213.:(1945-),,,,.,121,801889200112©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.