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3:2002-03-12(,541004):,:;:TN25:A:1003-7551(2002)02-0025-021,,,/DFB,,,,Bragg/,,,,,,:,;,,,Bragg2,BraggB:B=2neff(1),neff,,neffB,,,,,,B:T=(f+)TB(2)TB,f,,T,8.3110-6/,f0.5510-6/,71510-6/,B1550nm,(2)01013733nm/522,B,,;,,,:=(1-Pe)B(3)B,Pe,,Pe=0.22,B1550nm,(3)11209nm/microstrain(micros2train=10-6)B,,,B,T+=0,:(f+)T+(1-Pe)=0(4)=T(f+)/(Pe-1)(5),=1ndndtPe=-1ndndf=1LdLdtBraggB/,,,,,,,Bragg,,,,BraggBraggT,,,Bragg;,,T,3,,Bragg,,,,[1]Hsi2HsunTsai,Win2YannJang,Fen2FenYeh,CentralwavelengthtunablemechansimfortemperaturecompensatedpackageoffiberBragggratings[J]1IEEETransactionsonadvancedpackaging,2001,24(1):86901[2],,1[J]1,2000,20(3):4004041[3],,1Bragg[J]1,1999(1):55581[4],,1[J]1,1997,24(10):8958981[5]YoffeGW,KrugPeterA,OuelletteF,etal,Passivetemperature2compensationpackageforopticalfibergratings[J]1Appliedoptics,1995,34(30):68596861162232GUANGXIWULIVol.23No.22002