Numerical analysis of a sub-picosecond thin-disk laser oscillator with active multipass geometry showing a variation of pulse duration within one round trip

Neuhaus, Jörg; Bauer, Dominik; Kleinbauer, Jochen; Killi, Alexander; Sutter, Dirk H.; Dekorsy, Thomas

Numerical analysis of a sub-picosecond thin-disk laser oscillator with active multipass geometry showing a variation of pulse duration within one round trip

Dateien

2Klatt.pdfGröße: 605.53 KBDownloads: 443

Datum

2010

Autor:innen

Neuhaus, Jörg

Bauer, Dominik

Kleinbauer, Jochen

Killi, Alexander

Sutter, Dirk H.

Dekorsy, Thomas

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Physik

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Journal of the Optical Society of America B. 2010, 27(1), pp. 65-71. Available under: doi: 10.1364/JOSAB.27.000065

Zusammenfassung

The mode locking dynamics of a diode-pumped thin-disk laser oscillator with an active multipass cell operated in ambient atmosphere was studied numerically. The numerical results are compared to experimental results of a passively mode-locked thin-disk Yb:YAG laser with several megahertz repetition rate, sub-picosecond pulse duration, and >10 μJ pulse energy. The numerical simulations prove that the soliton area theorem predicts a correct pulse duration when considering an average pulse energy inside the oscillator. Furthermore, they show a variation in the full width at half-maximum pulse length for the pulse that propagates within the oscillator. This oscillation shows a behavior that is contrary to a change in the pulse length given by the soliton area theorem when considering the real pulse energies at respective points in the resonator. The breathing is caused by the strong influence of the self-phase modulation of the ambient atmosphere and large amounts of dispersion resulting in a deviation from the sech2 pulse shape and a chirped pulse.

Fachgebiet (DDC)

530 Physik

Schlagwörter

Laser theory, Diode-pumped lasers, Solid-state lasers, Mode-locked lasers

Zitieren

ISO 690

NEUHAUS, Jörg, Dominik BAUER, Jochen KLEINBAUER, Alexander KILLI, Dirk H. SUTTER, Thomas DEKORSY, 2010. Numerical analysis of a sub-picosecond thin-disk laser oscillator with active multipass geometry showing a variation of pulse duration within one round trip. In: Journal of the Optical Society of America B. 2010, 27(1), pp. 65-71. Available under: doi: 10.1364/JOSAB.27.000065

BibTex

@article{Neuhaus2010Numer-8930,
  year={2010},
  doi={10.1364/JOSAB.27.000065},
  title={Numerical analysis of a sub-picosecond thin-disk laser oscillator with active multipass geometry showing a variation of pulse duration within one round trip},
  number={1},
  volume={27},
  journal={Journal of the Optical Society of America B},
  pages={65--71},
  author={Neuhaus, Jörg and Bauer, Dominik and Kleinbauer, Jochen and Killi, Alexander and Sutter, Dirk H. and Dekorsy, Thomas}
}

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