光纤合束器的研制与应用-蔡君

OpticalFiber&ElectricCable20073No.3　2007蔡　君1,　刘外喜2(1.,510665;2.,510006)　　[　]　。,,。　　[]　;;　　[]　TN253　　[]　A　　[]　1006-1908(2007)03-0017-03DevelopmentandApplicationofMulti-FiberCombinersCAIJun1,　LIUWai-xi2(1.DepartmentofElectronicEngineering,GuangdongPolytechnicNormalUniversity,Guangzhou510665,China;2.CollegeofInformationandElectromechanicalEngineering,GuangzhouUniversity,Guangzhou510006,China)Abstract:Opticalfibercombinerisanadvanceddevicethatcouplepumpedlaser-beamintodouble-claddingfiber.Thestructureandadvantagesofthisdeviceanditsapplicationinhighpowerfiberlaserandopticalfiberamplifierareintroduced,andthefabricationprocessofthisdeviceisdiscussed.Keywords:opticalfibercombiner;fiberopticdevice;all-fiberlaser[]　2006-10-16[]　　(1981-),,,.[]　293,,5106650　　,。2005,IPG2000W,17000W。,,V,。,,,,。,,。ITF,,。。1　,N×1(N+1)×1。1.1　N×1N,N×1。,NN×1,,,。17×1。1　7×11.2　(N+1)×1N×1,(N+1)×1。,N,,,。,,。2(6+1)×1。2　(6+1)×11.3　。。(1)N。,,,,。N×1,。,(N+1)×1,,。,:　　　　　N=1+6∑NLi=1i(1)NL。(2):　　　　　NDiNAi≤DoNAo(2)Di,NAi;DoNAo。1ITF。　　1,7×119×1,,,。,,;,,,,7×119×1。1　DiμmNAiDoμmNAoαdB2×11051250.121051250.220.803×14004400.224004200.460.754×12002200.224004200.220.677×11051250.151051250.460.327×11051250.224004400.220.257×12002200.224004200.460.0919×11051250.224004200.460.102　,LD。,。,、、、,。CCD,,。,,。。　　3,、PC。,,。(,0.5cm),。:(1),。(2),,。(3),。(4),。(5)。。·18·　　　200733　3　,,,。。3.1　4(),NLDN×1,。IPG,4　100W。,,。,26W16,,,5%。3.2　5、(N+1)×1。。(N+1)×1,,,。,,。5　4　　,,,,,,。,,、,。[][1]　JOHNSONDC,KAWASAKIB,HILLKO.Low-lossstarcouplerforopticalfibresystems[P].USA:4330170,1982.[2]　DIGIOVANNIDJ,STENTZAJ.Taperedfiberbundlesforcouplinglightintoandoutofcladding-pumpedfiberdevices[P].USA:5864644,1999.[3]　.[J].,2000,(4):58-62.[4]　,.[J].,2006,30(4):438-441.·19·　,: