Download ppt - Основы DWDM

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  • DWDM

    .01 11_04_2012 .

  • DWDM*/32

  • xWDM */32

  • */32

  • - OADM*/32

  • */32

  • WDM*/32 WDM

  • */32

  • */32

  • OADM*/32

  • */32

  • AWG */32Arrayed Waveguide Gratings

  • (dB) (dB) (km)Optical device*/32

  • DWDM- */32

  • */32

  • */32

  • EDFA */32

  • */32

  • DCU

  • */32

  • (nm)1200130014001500 (ps/nm x km)+0 */32

  • SSMF*/32

  • NZDSF*/32

  • DCU*/32

  • DWDM

  • Frequency(THz)Wavelength (nm)1528.77 nm1578.23 nm0.4 nmspacing1552.52 nm(Center channel)196.2 THz190.1 THz193.1 THz(Center channel)50 GHzspacing ITU (193 THz)*/32

  • */32S 1485-1520 1530-1562 L 1570-1610

  • S */32

  • */32

  • L */32