Waveguide dispersion is measured in a silica fiber at various wavelengths using laser diode sources with a spectral width of 2 nm. The results are
λ(μm) | δ(τ/L)(ps/km) |
0.70 | 1.88 |
0.90 | 5.02 |
1.10 | 7.08 |
1.40 | 8.40 |
1.70 | 8.80 |
a. Plot the waveguide parameter M′ versus λ in the range 0.70 to 1.70 μm.
b. Determine the waveguide dispersion in ps/km at λ = 1.27 and 1.55 μm for a source with a spectral width of 1 nm.
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