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  High energetic and highly stable pulses from a Ho:YLF regenerative amplifier

Krötz, P., Ruehl, A., Chatterjee, G., Calendron, A.-L., Murari, K., Cankaya, H., et al. (2016). High energetic and highly stable pulses from a Ho:YLF regenerative amplifier. In Proceedings of SPIE. Bellingham, Washington: SPIE. doi:10.1117/12.2212236.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-3217-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-30CE-8
Genre: Conference Paper

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http://dx.doi.org/10.1117/12.2212236 (Publisher version)
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 Creators:
Krötz, Peter1, 2, 3, Author              
Ruehl, Axel4, Author
Chatterjee, Gourab1, 2, Author              
Calendron, Anne-Laure2, 5, 6, Author
Murari, Krishna2, 3, 4, 5, Author              
Cankaya, Huseyin2, 4, 6, Author
Kärtner, Franz X.4, 5, 6, Author
Hartl, Ingmar4, Author
Miller, R. J. Dwayne1, 2, 6, 7, Author              
Affiliations:
1Miller Group, Atomically Resolved Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938288              
2Center for Free-Electron Laser Science (CFEL), Notkestraße 85, D-22607 Hamburg, Germany, ou_persistent22              
3International Max Planck Research School for Ultrafast Imaging & Structural Dynamics (IMPRS-UFAST), Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266714              
4Deutsches Elektronen-Synchrotron (DESY), Notkestraße 85, 22607 Hamburg, Germany, ou_persistent22              
5Department of Physics, University of Hamburg, 22761 Hamburg, Germany, ou_persistent22              
6Centre for Ultrafast Imaging (CUI), Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany, ou_persistent22              
7Departments of Chemistry and Physics, University of Toronto, Toronto M5S 1A7, Canada, ou_persistent22              

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Free keywords: solid-state lasers
 Abstract: We present results from our Ho:YLF regenerative amplifier (RA) producing up to 6.9 mJ at a repetition rate of 1 kHz and up to 12.9 mJ at a repetition rate of 10 Hz. At 1 kHz, we observe strongly bifurcating pulses, starting with certain round trip number, but the measurements identify a highly stable operation point that lies “hidden” beyond the instability region. This operation point allows the extraction of highly stable and high energetic output pulses. Suppression of bifurcation in our system is presented for repetition rates below 750 Hz and Ho:YLF crystal holder temperatures of 2.5 °C. We furthermore present a stability optimization routine for our Ho:YLF RA that was operated close to gain depletion at a repetition rate of 100 Hz. By varying the Ho:YLF crystal holder temperature the gain depletion level could be fine adjusted, resulting in a highly stable RA system with measured pulse fluctuations of only 0.35 %.

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Language(s): eng - English
 Dates: 2016-03-172016-04-27
 Publication Status: Published in print
 Pages: 10
 Publishing info: -
 Table of Contents: -
 Rev. Method: Internal
 Identifiers: DOI: 10.1117/12.2212236
 Degree: -

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Title: SPIE Photonics West 2016, LASE 2016
Place of Event: San Francisco, California, USA
Start-/End Date: 2016-02-13 - 2016-02-18

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Title: Proceedings of SPIE
  Subtitle : Solid State Lasers XXV: Technology and Devices
Source Genre: Proceedings
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Publ. Info: Bellingham, Washington : SPIE
Pages: - Volume / Issue: 9726 Sequence Number: 97260S Start / End Page: - Identifier: ISSN: 0277-786X
CoNE: /journals/resource/0277-786X