Compact fiber source emitting at 2.1 µm with an output power of 2 W

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Abstract

We have realized a compact Bragg grating based Ho3+ fiber laser emitting at 2.1 µm with a CW output power of 2 W. The laser is pumped by an Yb3+ fiber laser at 1.12 µm, the latter laser being based on a GTWave active fiber pumped by two semiconductor modules with a maximum power of 25 W at 0.98 µm. (© 2006 by Astro, Ltd. Published exclusively by WILEY-VCH Verlag GmbH & Co. KGaA)

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