Wavelength spacing 50GHZ 100GHZ 200GHZ
Time:2020-01-07
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Wavelength spacing in DWDM channels 50GHZ 100GHZ 200GHZ
ITU-T defines two DWDM system, 40 channels with band gap 100GHz and 80 channels with band gap 50GHz.
λ=c/f
ITU-T defines two DWDM system, 40 channels with band gap 100GHz and 80 channels with band gap 50GHz.
λ=c/f
If f1=192.10THz,λ1=1560.61nm
If f2=192.20THz,λ2=1559.79nm
If f3=192.30THz,λ3=1558.98nm
If f4=192.40THz,λ3=1558.17nm
λ1-λ2=1560.61nm-1559.79nm=0.82nm
λ2-λ3=1559.79nm-1558.98nm=0.81nm
λ3-λ4=1558.98nm-1558.17nm=0.81nm
So, for 100GHz, the wavelength spacing is 0.8nm approx.
Similarly, for 50GHz, the wavelength spacing is 0.4nm approx.
Similarly, for 200GHz, the wavelength spacing is 1.6nm approx.
Similarly, for 200GHz, the wavelength spacing is 1.6nm approx.
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