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Opt Lett. 2007 Jun 01;32(11):1551-3. doi: 10.1364/ol.32.001551.

Millijoule pulse energy Q-switched short-length fiber laser.

Optics letters

O Schmidt, J Rothhardt, F Röser, S Linke, T Schreiber, K Rademaker, J Limpert, S Ermeneux, P Yvernault, F Salin, A Tünnermann

Affiliations

  1. Friedrich Schiller University Jena, Institute of Applied Physics, Albert-Einstein-Strasse 15, Jena, Germany. [email protected]

PMID: 17546185 DOI: 10.1364/ol.32.001551

Abstract

We report on a Q-switched short-length fiber laser producing 100 W of average output power at 100 kHz repetition rate and pulse durations as short as 17 ns. Up to 2 mJ 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 70 microm core as gain medium, allowing for very short pulse durations, high energy storage, and emission of a single-transverse-mode beam.

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