光纤收发的空气差分吸收光谱测量方法研究(4)
发布时间:2021-06-07
发布时间:2021-06-07
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11112
,,,,WEIYonieGENGXiaouanCHENBoLIUCuicuiCHENWenliangjjg
,H,1.SchoolofMechanicalEnineerinebeiUniversitfTechnoloTianin00130,China 3ggyogyj
,Tianin00457,China2.TianinShareshineScience&Technoloo.Ltd. 3jjgyC
,犃犫狊狋狉犪犮狋hedifferentialoticalabsortionsectroscostemispresentedtomonitorairpollutantssuchasSONOetc. Tppppysy2,2,Thesstememlosareflectivetelescoetocollimatelihtsourceandfocusabsorbedliht.Acombinedtransmittinndreceivypypgggainiberbundleissettothefocusofaconcavemirror.AXenonlamorksasthelihtsource.Thelihtiscouledintothegfpwggp
,,transmittiniberandthencollimatedbthereflectivetelescoesstem.Afterabsorbedbthepollutantsthelihtisreflectedgfypyyg,bramidmirrorfarawahetelescoe.Thentheabsorbedlihtisincidentontheconcavemirrorthesecondtimeandfoyapyytpgcusedonthefocalplaneaain.Thereceiviniberinducesthelihtwhichcarriestheinformationofthemeasuredgasintoaggfgsectrometer.WecangettheconcentrationofthepollutantsbOASalorithm.ExerimentalresultsshowthattheproosedpyDgppmethodcanbeadotedtomeasuresomepollutantsinairqualitonitorin.pymg
;;A犓犲狑狅狉犱狊ifferentialoticalabsortionsectroscoTransmitreceivefibersirqualitonitorin Dppppyymg狔
()ReceivedJan.12,2013;accetedAr.18,2013 pp
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