| http://www.w3.org/ns/prov#value | - FIG. 5 is a graph showing gain wavelength characteristics of Raman amplification where the pump wavelength ?? is set at a value such as 1,430 nm, and (a) and (b) show situations where the Raman amplifying mediums 21 are SMF and dispersion-shifted fiber (NZ-DSF), respectively.
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