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High harmonic generation of fiber laser systems with more than 100 µW average power per harmonic

: Hädrich, S.; Rothhardt, J.; Klenke, A.; Krebs, M.; Hoffmann, A.; Pronin, O.; Pervak, V.; Limpert, J.; Tünnermann, A.

Institute of Electrical and Electronics Engineers -IEEE-; IEEE Photonics Society; Optical Society of America -OSA-, Washington/D.C.; American Physical Society -APS-, Division of Laser Science:
Conference on Lasers and Electro-Optics, CLEO 2014 : San Jose, California, USA, 8 - 13 June 2014
Piscataway, NJ: IEEE, 2014
ISBN: 978-1-4799-5335-6
Conference on Lasers and Electro-Optics (CLEO) <2014, San Jose/Calif.>
Conference Paper
Fraunhofer IOF ()

Post-compression of a coherently combined fiber CPA systems allows obtaining >80 W, sub-30 fs pulses at 600 kHz repetition rate. These pulses are utilized for high harmonic generation in Krypton and xenon gas jets. More than 10-6 conversion efficiency is achieved resulting in up to 143 μW average power in H25 at 41 nm. More than 30 μW average power are obtained for all harmonics between H21-H33 (49 nm-31 nm).