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! " 2018?@ NFRARED MONTHLY OL. 39 O. PR2018 http :// journal.sitp.ac.cn hw !"#$16728785 2018 04001804 ABC!"DEFGH(IJK LM6789:NOP bc& def 3g ´hi jkl $%ÖÁ&+ÀD®¯!d/01EF GH 266555 % &mnÅo2psqrso2 pB·ÏÐ tuv 2 wx ¿7 8nÓÔð y LMÒq z{ u{|} ð y LMNCRSnI ÁãM@ðyqz-qz~° Î tuvA ë wx ¿@ð y ê Ug°79¿@ðyÅ'()tuvAë2wx¿ÞðyLM¯nÅo2p *+,-$TH74 !./01犇犗犐 10. 3969 issn. 16728785. 2018. 04. 004 234520180301 :;<=bc&1981 ),&¤RK¥¦RC¨©f,2uà¿Á589å q1@lmEmail 48459428 qq.com 犇犲狊犻 狀犪狀犱犐犿 犾犲犿犲狀狋犪狋犻狅狀狅犳犪犖犲犪狉犻狀犳狉犪狉犲犱犕狌犾狋犻犮犺犪狀狀犲犾 犞犪狉犻犪犫犾犲犗 狋犻犮犪犾犃狋狋犲狀狌犪狋狅狉犆犪犾犻犫狉犪狋犻狅狀犛 狊狋犲犿 XUYuhua YANJisong ZHANGAiguo LIBaorui JUJunwei 犜犺犲41狊狋犚犲狊犲犪狉犮犺犐狀狊狋犻狋狌狋犲狅 犆犺犻狀犪犈犾犲犮狋狉狅狀犻犮狊犜犲犮犺狀狅犾狅 犵狔 犌狉狅狌 犆狅狉 狅狉犪狋犻狅狀 犙犻狀 犱犪狅266555 犆犺犻狀犪 犃犫狊狋狉犪犮狋 Adesignschemeofthecalibrationsystemforaneutraldensityfiltertypenearinfraredmultichan nelvariableopticalattenuatorisproposed.Toverifythescheme acalibrationsystemisbuilt.Theresults showthatcomparedwiththetraditionalcalibrationscheme thisschemenotonlycanshortenthecalibration timeforthemultichannelvariableopticalattenuator butalsocanimprovethecalibrationaccuracyofthein strument. 犓犲狔狑狅狉犱狊 multichannel variableopticalattenuator automaticcalibrationsystem neutraldensityfilter =[K§õ½rcJ»¸1wdKI ÞË25AK§õ½rc$d±7pJKH ozápwgJÀÆWwDenseWave lengthDivisionMultiplexing DWDM K½~$ JKÜL4d =[ DWDM ÆPF MJÞUõ~ü_¼'dKIÞ4 (D K ê W w ReconfigurableOptical AddDropMultiplexer ROADM $5qNL ROADM 4 W w Î W w Multiplexer De multiplexer MUX DEMUX $ 5q N L MUX DEMUX kuæ1w$ABÞU st^&^¥lOP(DõhopÂ' Åd K I Þ $ 5dÅ ' õ ~ d K I Þ

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Page 1: ABC!DEFGH(IJK LM6789:NOP

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犇犲狊犻犵狀犪狀犱犐犿狆犾犲犿犲狀狋犪狋犻狅狀狅犳犪犖犲犪狉犻狀犳狉犪狉犲犱犕狌犾狋犻犮犺犪狀狀犲犾

犞犪狉犻犪犫犾犲犗狆狋犻犮犪犾犃狋狋犲狀狌犪狋狅狉犆犪犾犻犫狉犪狋犻狅狀犛狔狊狋犲犿

XUYuhua,YANJisong,ZHANGAiguo,LIBaorui,JUJunwei

(犜犺犲41狊狋犚犲狊犲犪狉犮犺犐狀狊狋犻狋狌狋犲狅犳犆犺犻狀犪犈犾犲犮狋狉狅狀犻犮狊犜犲犮犺狀狅犾狅犵狔犌狉狅狌狆犆狅狉狆狅狉犪狋犻狅狀,犙犻狀犵犱犪狅266555,犆犺犻狀犪)

犃犫狊狋狉犪犮狋:Adesignschemeofthecalibrationsystemforaneutraldensityfiltertypenearinfraredmultichan

nelvariableopticalattenuatorisproposed.Toverifythescheme,acalibrationsystemisbuilt.Theresults

showthatcomparedwiththetraditionalcalibrationscheme,thisschemenotonlycanshortenthecalibration

timeforthemultichannelvariableopticalattenuator,butalsocanimprovethecalibrationaccuracyofthein

strument.

犓犲狔狑狅狉犱狊:multichannel;variableopticalattenuator;automaticcalibrationsystem;neutraldensityfilter

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