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High power Q-switched fiber laser system delivering 22mJ pulse energy with excellent beam quality

: Jansen, Florian; Stutzki, Fabian; Liem, Andreas; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas

Optical Society of America -OSA-, Washington/D.C.:
Advanced Solid-State Photonics, ASSP 2012. CD-ROM : 29 January - 1 February 2012, Rancho Bernardo Inn, San Diego, California, United States
Washington, DC: OSA, 2012 (OSA Technical digest series)
ISBN: 978-1-55752-933-6
Paper AT1A.4
Topical Meeting on Advanced Solid-State Photonics (ASSP) <2012, San Diego/Calif.>
Conference Paper
Fraunhofer IOF ()

We demonstrate a Q-switched fiber laser system delivering 20ns pulses with 22mJ pulse energy at 110W average power combined with near-diffraction limited beam quality out of a Large-Pitch fiber with 101µm mode field diameter.