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Study on laser characteristics of Ho:YLF regenerative amplifiers: Operation regimes, gain dynamics, and highly stable operation points

MPG-Autoren
/persons/resource/persons136094

Krötz,  Peter
Miller Group, Atomically Resolved Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free-Electron Laser Science (CFEL), Notkestraße 85, D-22607 Hamburg, Germany;
Department of Physics, University of Hamburg, 22761 Hamburg, Germany;
International Max Planck Research School for Ultrafast Imaging & Structural Dynamics (IMPRS-UFAST), Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

/persons/resource/persons187989

Chatterjee,  Gourab
Miller Group, Atomically Resolved Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free-Electron Laser Science (CFEL), Notkestraße 85, D-22607 Hamburg, Germany;

/persons/resource/persons195018

Murari,  Krishna
Center for Free-Electron Laser Science (CFEL), Notkestraße 85, D-22607 Hamburg, Germany;
Department of Physics, University of Hamburg, 22761 Hamburg, Germany;
International Max Planck Research School for Ultrafast Imaging & Structural Dynamics (IMPRS-UFAST), Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Deutsches Elektronen-Synchrotron (DESY), Notkestrasse 85, 22607 Hamburg, Germany;

/persons/resource/persons136024

Miller,  R. J. Dwayne
Miller Group, Atomically Resolved Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free-Electron Laser Science (CFEL), Notkestraße 85, D-22607 Hamburg, Germany;
Centre for Ultrafast Imaging (CUI), Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany;
Departments of Chemistry and Physics, University of Toronto, Toronto M5S 1A7, Canada;

Externe Ressourcen

https://arxiv.org/abs/1608.06832
(Preprint)

https://dx.doi.org/10.1007/s00340-017-6704-0
(Verlagsversion)

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1608.06832.pdf
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Zitation

Krötz, P., Ruehl, A., Calendron, A.-L., Chatterjee, G., Cankaya, H., Murari, K., et al. (2017). Study on laser characteristics of Ho:YLF regenerative amplifiers: Operation regimes, gain dynamics, and highly stable operation points. Applied Physics B: Lasers and Optics, 123(4): 126. doi:10.1007/s00340-017-6704-0.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-002B-851E-9
Zusammenfassung
We present a comprehensive study of laser pulse amplification with respect to operation regimes, gain dynamics, and highly stable operation points of Ho:YLF regenerative amplifiers (RAs). The findings are expected to be more generic than for this specific case. Operation regimes are distinguished with respect to pulse energy and the appearance of pulse instability, and are studied as a function of the repetition rate, seed energy, and pump intensity. The corresponding gain dynamics are presented, identifying highly stable operation points related to high gain build -up during pumping and high gain depletion during pulse amplification. These operation points are studied numerically and experimentally as a function of several parameters, thereby achieving, for our Ho:YLF RA, highly stable output pulses with measured fluctuations of only 0.19% (standard deviation).