Abstract

We report on a Q-switched short-length fiber laser producing 100W of average output power at 100kHz repetition rate and pulse durations as short as 17ns. Up to 2mJ of energy and sub-10-ns pulse duration are extracted at lower repetition rates. This performance is obtained by employing a rod-type ytterbium-doped photonic crystal fiber with a 70μm core as gain medium, allowing for very short pulse durations, high energy storage, and emission of a single-transverse-mode beam.

© 2007 Optical Society of America

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