光折变全息干涉计量术及其应用

3(,250061),,,,,,,,HOLOGRAPHICINTERFEROMETRYUSINGPHOTOREFRACTIVECRYSTALSANDITSAPPLICATIONFanYunzheng(DepartmentofMaths2Physics,ShandongUniversity,Jinan)AbstractPhotorefractivecrystals(PRCs)areverypromisingrecordingmaterialsforholographicinterferom2etry,withwhichreal2timetestingcanberealizedsincetheydonptneeddevelopingandfixing.TheapplicationofholographicinterferometryusingPRCsasreal2timerecordingandreconstructionmaterialstoopticaltestinghasbeeninvestigatedandthemethodforthedistributionofthetemperaturefieldofanalcoholflamehasbeenputfor2ward.Theprinciples,thederivationoftheparametersandconditionsforexperiments,theexperimentalprocedureindetailandfinalresultsarepresented.KeywordsCrystalHolographicimageInterferometryTemperaturefieldReal2timetesting,,,,,,[15]:,,,,,,3,,,11.1,;,,,,,,;,,1352212200012NDTVol.22No.12Dec.2000©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,,,,,,,111.2O1R,,x,yR(x,y)=Are-i5r(x,y)(1)O1(x,y)=A0e-i50(2),t(x,y)t(x,y)=t0+BS[A02+Ar2+O1R3(x,y)+O13R(x,y)](3)t0SB3,t0SBt(x,y)=C+BSO1R3(x,y)+BSO13R(x,y)(4)C=t0+BS(A02+Ar2),RO2,O2O1,O2(x,y)O2(x,y)=A0e-i[50+$5(x,y)](5)$5(x,y),RO2,Gt(x,y)=[R(x,y)+O2(x,y)]t(x,y)=CR(x,y)+BSAr2O1+BSO31R2(x,y)+CO2(x,y)+BSO1O2R3(x,y)+BSO13O2R(x,y)=u1+u2+u3+u4+u5+u6(6)u1Ru2,u3Ru4O2u5,u6O2u2,u4(2)O1O2,,,2235:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.A(x,y)A(x,y)=BSAr2O1+CO2(x,y)(7)I(x,y)=A(x,y)A3(x,y)=A02[B2SAr2+C2+2CBSArcos($5(x,y)-P)](8),,$5(x,y),$5=(2m+1)P,;$5=2mP,O1O2$5(x,y)22.13,10mWHe2Ne,1ö2(e);P1,P2,PRC;P3,P1,CCDCCD,;S1S2,;A1A2,;M1M2;L1,f1=312mm,L2,f2=30mm;BE1;BS,,1.31;CeSBN(8mm5mm4mm),d,,,253,P1()S1S2,A1A2,,P1(),S1,,,A2,,A2,,CCD1ö4S1A1,,,,(4)42.2,,:(1)CCD()(2),,,,,[6],P3P1,,2.34,,,,,,5A,B,C335:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.56,A2A,B2B,C2CA,B,Cr,r,B2BA2AC2C,r,,A2A;,C2CA2A,,,r(B2BC2C)r[78]6A18mmB23mmC31mm3,,,:,,He2Ne,,,1GeorgesMP,LenmairePhC.Holographicinterferome2tryusingphotorefractivecrystal:recentadvancesandapplications.SPIE,1996,2782(1):476-4852RohlederH,PetersenPM,MarrakchiA.JApplPhys,1994,76(1):81-863PouetB,KrishnaswamyS.ApplOpt,1996,35(2):787-7924WangX,RobertRMagnusson,Haji2SherkhA.Real2timeinterferometrywithphotorefractivereferenceholo2grams.ApplOpt,1993,32(6):1983-19865GeorgesMP,LenmairePhC.Phaseshiftingreal2timeholographicinterferometrythatusesbismuthsiliconox2idecrystals.ApplOpt,1995,34(32):7497-75066,,..:,1992.7,,..,1993,21():40-438,,.FFT.,1992,20(4):32-36:2000207226,,,,,80,15%,:99,:200437,:(021)654207752311,:(021)65449079211,:,:022320214409106,:,:()435:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.