Masini Taui Fa'asalalau DCM
Huanet opitika taui galuega ma slope dispersion taui mo tulaga tasi-mode fiber e mafai DCM (G.652) sa faataapeapeina ma faataapeape slope taui fusi lautele i le C-faaili, e mafai ai e le faiga e optimize dispersion totoe.I le tau fa'asalalauga fa'asalalau o le 1545nm fa'asalalau fa'asolosolo e mafai ona o'o atu i le -2070ps / nm.
O le DCM e ofoina atu le maualuga o le tau o le ta'ape ma se fa'asalaga maualalo maualalo.Latou te tuʻuina atu taui faʻasalalau le lelei i luga o le C-Band atoa ma faʻalautele mamao e oʻo atu i le 120 kilomita. Galuega DWDM faiga fa'asalalau taui ma alalaupapa la'ititi fa'a'ave'esea toega Taui Fa'ata'apeina ma Taui Fa'ata'ape Maua i se taui fa'asalalau fa'asalalau fa'apitoa, e tatau ona fa'amalieina le so'oga lea: DTF × LTF + DDCF × LDCF = 0 DTF: fa'asalalauina alava fa'asalalau; LTF: umi ole alava fe'avea'i; DDCF: fa'asalalauina o le fa'asalalau fa'afesuia'i alava mata; LDCF: ta'ape tau alava umi; Fa'asalaga fa'ase'e taui i totonu o le fa'aili, e tatau ona fa'amalieina le so'otaga lea: STF × LTF + SDCF × LDCF = 0 STF: fa'asalalauina o le alava fa'asalalau; SDCF: fa'ata'ape'apeina o le fa'asalalauina fa'afesuia'i alava mata E tusa ai ma sootaga o loʻo i luga e lua na maua ai le taʻapeʻapeʻapeina taui ma faʻataʻapeʻapeina slope taui, e tatau ona faamalieina le sootaga lea: RDSDCF = SDCF / DDCF = STF / DTF Fa'apea le alava fa'asolo tasi tulaga i le 1545nm fa'ata'ape'apeina o le galu o le 16.7ps / nm / km, o le fa'ata'apeina o le 0.060 ps / nm.2 / km, RDS e tusa ma le 0.0036nm﹣1.
G.652 fiber C-band 100% slope taui (tau masani)
Fa'aofi maualalo gau
Fa'ata'apeina faiga polarization maualalo
Fa'ailoga fa'atinoga e Telcordia GR-2854-CORE fa'amaonia tulaga
Fa'atuatuaina e Telcordia GR-1221-CORE fa'amaonia tulaga
Fa'atinoga Fa'atino Parameter Mi totonu. Mto'i. BrillouinSfafagaTi'a (dBm) 6 - Le laina lainaClelei (n2/Aeff) (W-1) - 1.4*10-9 LeleiArea (Aeff)@1550nm (um2) 20 - maualugaInputPower (dBm) 23 Fa'agaioigaTemperatureRita -5℃ 70 ℃ TeuinaTemperatureRita -40℃ 85℃ AigaHfa'aletonu <85% Si'osi'omaga /Rfa'amaoniTfa'atau Usitaʻia le Telcordia GR-2854 ma le GR-1221 standard Tele (mm) 482.6(W) x 350(D) x 43.6(H) Fa'amatalaga Fa'atonu
Parameter DCM-20 DCM-40 DCM-60 DCM-80 DCM-100 DCM-120 Taui Mamao (km) 20 40 60 80 100 120 1545nmDispersion (ps/nm) -340+/-10 -670+/-20 -1000+/-30 -1340+/-40 -1680+/-50 -2010+/-60 1545nmRelativeDispersionSlope (nm-1) 0.0036 +/- 10% Fa'aofi le leiloa (dB) ≤3.3 ≤4.7 ≤6.4 ≤8.0 ≤9.5 ≤11.0 Fa'aofi le leiloa (type) (dB) 2.7 4.0 5.4 6.7 8.0 9.3 PolarizationModeDispersion (ps) ≤0.6 ≤0.7 ≤0.8 ≤0.9 ≤1.0 ≤1.1 PolarizationModeDispersion (type) (ps) 0.2 0.3 0.4 0.5 0.6 0.7 PolarizationDfa'amaoniLoss (dB) ≤0.1 ≤0.1 ≤0.1 ≤0.1 ≤0.1 ≤0.1 
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