摘要
Inthefiberopticalsyntheticaperture(FOSA)system,thediffractionoftheGaussianbeamlimitedbytheapertureinexitpupilplaneoffibercollimatorisstudiedtheoretically,andtheaxialandtransverseirradiancedistributionsareobtained.Thepointspreadfunction(PSF)andmodulationtransferfunction(MTF)ofthetruncatedGaussianbeamarrayarecomputednumericallywithdifferenttruncationfactors.TheresultsshowthatthediffractionofthetruncatedGaussianbeamarrayagreeswiththeuniform-beamRayleighdiffractionwhenthetruncationfactorislessthan0.5,butlittlepoweristransmitted.ThePSFandMTFaredegraded,butmorepowercanbecontainedwhenthetruncationfactorislarger.Theselectionofthetruncationfactorisatrade-offbetweenthelossoftransmissionandthequalitiesofPSFandMTFinpracticalapplication.
出版日期
2012年03月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)