Abstract
We report on a Q-switched short-length fiber laser producing of average output power at repetition rate and pulse durations as short as . Up to of energy and sub- pulse duration are extracted at lower repetition rates. This performance is obtained by employing a rod-type ytterbium-doped photonic crystal fiber with a 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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