4.6 Article

Pulse energy of 151 nJ from ultrafast thulium-doped chirped-pulse fiber amplifier

Journal

OPTICS LETTERS
Volume 35, Issue 17, Pages 2991-2993

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OL.35.002991

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Funding

  1. German Research Foundation (DFG)

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We report on chirped-pulse amplification of an ultrafast thulium-doped fiber laser. Pulses with an energy of 3.3 nJ and a bandwidth-limited pulse duration of 195 fs could be amplified to 151 nJ, which corresponds to an average power of 5.7 W at 37.6 MHz pulse repetition rate. The maximum output power was limited by the available pump power. The pulses could be dechirped to a duration of 258 fs. (C) 2010 Optical Society of America

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