2011-3

1880 1960 1962 1966 197020dB/km 19742dB/km 197613101550 198015500.2dB/km 800.4 dB/km0.25 dB/km

1973-19760.852.5-350-1008-101976-19821.310.55-1140M20-501982-19881.310.3-0.5622M50-100PDH1988-19961.550.22.5G80-120SDH1996-1.55160*10GDWDM

(LD)(LED)

(PIN)(APD)

9-10m50-100m100GHz1GHzFDDI

0.85m1.31 m1.55 m

ITU-TISOIECETSIANSIGB()YD()

1D9-10 m5062.5 m2 n1 n2

ITU-T G651G652 ( NDSF) G653(DSF) G654 G655 (NZ-DSF)G656 G.657

G.6511.31m1.55m1.31m1.55m(LAN)

G.6521.31m1.55m18ps/(nmkm)1.31m 1.55m1.31m G.6522.5Gb/s

G.652G.652A G.652B G.652CG.652AITU-T G.957SDHG.691STM-16SDHG.652BITU-T G.957SDHG.691STM-64SDHSTM-64ITU-T G.692

G.652CLucent(All-ware Fiber) 1385nmOH1310-1600nm

G.655(NZDSF)1994MWDM1550nm(10Gb/s)DWDM

G.655G.655AG.655BG.655AITU-T G.691SDHSTM-64200GHzG .692CG.655B100GHzG .692CLC G.655A0.1-6 ps/(nmkm) G.655B1-10 ps/(nmkm)

G.655G.655Lucent(True Wave) G.6521385nmOH1310-1600nmCorning(SMF-LS) 0.045 ps/(nm2km)Corning(LEAF) 55 m272 m 2

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