LIEKKI® Er80-4/125-HD-PM fiber is a highly doped, polarization-maintaining erbium fiber designed for fiber lasers. The core refractive index profile is tailored in order to realize a fiber with normal dispersion higher than standard step-index fibers. The high Erbium concentration provides a strong gain and reduces the required application length for minimal non-linear effects. This makes this fiber particularly suitable for ultra-short pulse applications.
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