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  Intracavity gain shaping in millijoule-level, high gain Ho:YLF regenerative amplifiers

Murari, K., Cankaya, H., Krötz, P., Cirmi, G., Li, P., Ruehl, A., et al. (2016). Intracavity gain shaping in millijoule-level, high gain Ho:YLF regenerative amplifiers. Optics Letters, 41(6), 1114-1117. doi:10.1364/OL.41.001114.

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http://dx.doi.org/10.1364/OL.41.001114 (Publisher version)
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 Creators:
Murari, Krishna1, Author              
Cankaya, Huseyin1, 2, Author
Krötz, Peter1, 2, 3, Author              
Cirmi, Giovanni1, 2, Author
Li, Peng1, Author
Ruehl, Axel1, Author
Hartl, Ingmar1, Author
Kärtner, Franz X.1, 2, 4, Author
Affiliations:
1Centre for Free Electron Laser Science (CFEL), Deutsches Elektronen-Synchrotron (DESY) and Department of Physics, University of Hamburg, Notkestraße 85, 22607 Hamburg, Germany, ou_persistent22              
2The Hamburg Centre for Ultrafast Imaging, Luruper Chaussee 149, 22761 Hamburg, Germany, ou_persistent22              
3Miller Group, Atomically Resolved Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938288              
4Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology (MIT), Cambridge, Massachusetts 02139, USA, ou_persistent22              

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Free keywords: OCIS codes: (140.3280) Laser amplifiers; (140.3070) Infrared and far-infrared lasers; (140.7090) Ultrafast lasers
 Abstract: We demonstrate intracavity gain shaping inside a 2 μm Ho:YLF regenerative amplifier with a spectral bandwidth of 2.9 nm broadened to 5.4 nm, corresponding to Fourier-limited pulses of 1 ps duration. The intracavity gain shaping is achieved by using a simple etalon, which acts as a frequency-selective filter. The output of the regenerative amplifier is amplified by a single-pass amplifier, and we achieve total energy of 2.2 mJ and pulse duration of 2.4 ps at 1 kHz with pulse fluctuations <1%. The amplifier chain is seeded by a home-built mode-locked holmium-doped fiber oscillator.

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Language(s): eng - English
 Dates: 2015-12-212015-10-292015-12-232015-12-232016-03-08
 Publication Status: Published in print
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1364/OL.41.001114
 Degree: -

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Title: Optics Letters
Source Genre: Journal
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Publ. Info: Washington : Optical Society of America
Pages: - Volume / Issue: 41 (6) Sequence Number: - Start / End Page: 1114 - 1117 Identifier: ISSN: 0146-9592
CoNE: https://pure.mpg.de/cone/journals/resource/954925474435