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Nonuniform fibersf matter. Accordingly we consider . fibers in this chapter, characterized by profiles and cross-sections which vary along their length. Nonuniformities are sometimes introduced intentionally to achieve particular pulse-spreading characteristics or for devices such as tapers.EVEN 发表于 2025-3-30 21:06:05
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Spatial transient been lost. We call this the .state. In this chapter our attention is turned to the region intermediate between the source and the onset of the spatial steady state, where light propagation is described by the ..