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Kvantovaya Elektronika, 2013, Volume 43, Number 2, Pages 99–102 (Mi qe15038)  

This article is cited in 3 scientific papers (total in 3 papers)

Laser optics 2012

Second-harmonic generation efficiency for multifrequency ytterbium-doped fibre laser radiation

M. O. Politkoab, S. I. Kablukovb, I. N. Nemovb, S. A. Babinab

a Novosibirsk State University
b Institute of Automation and Electrometry, Siberian Branch of Russian Academy of Sciences, Novosibirsk

Abstract: The second-harmonic generation (SHG) efficiency for cw Yb-doped fibre laser radiation, which is characterised by many longitudinal modes with random phases, is compared with the SHG efficiency for amplified single-frequency Nd : YAG laser radiation in ppLN and KTP crystals, characterised by the type-I and type-IIphase matching, respectively. It is shown that the conversion efficiency into the second harmonic in the multifrequency regime for both crystals is higher by a factor of about 1.6, a value close to the calculated enhancement (2 for the Gaussian mode statistics). This difference is explained by possible deviation of the statistics of the Yb-doped fibre laser radiation from Gaussian, which is confirmed by measurements of the laser temporal dynamics.

Keywords: fibre laser, second-harmonic generation, crystal, KTP, ppLN, efficiency, multifrequency regime, single-frequency regime, Gaussian statistics.

Full text: PDF file (398 kB)
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English version:
Quantum Electronics, 2013, 43:2, 99–102

Bibliographic databases:

PACS: 42.55.Wd, 42.60.Lh, 42.65.Ky
Received: 24.10.2012
Revised: 15.11.2012

Citation: M. O. Politko, S. I. Kablukov, I. N. Nemov, S. A. Babin, “Second-harmonic generation efficiency for multifrequency ytterbium-doped fibre laser radiation”, Kvantovaya Elektronika, 43:2 (2013), 99–102 [Quantum Electron., 43:2 (2013), 99–102]

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  • http://mi.mathnet.ru/eng/qe15038
  • http://mi.mathnet.ru/eng/qe/v43/i2/p99

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    Citing articles on Google Scholar: Russian citations, English citations
    Related articles on Google Scholar: Russian articles, English articles

    This publication is cited in the following articles:
    1. V. A. Akulov, S. I. Kablukov, Optoelectron.Instrument.Proc, 49:4 (2013), 345  crossref  elib  scopus
    2. A. E. Bednyakova, O.A. Gorbunov, M.O. Politko, S.I. Kablukov, S.V. Smirnov, Opt. Express, 21:7 (2013), 8177  crossref  adsnasa  isi  elib  scopus
    3. S. R. Abdullina, A. A. Vlasov, Optoelectron.Instrument.Proc, 50:1 (2014), 75  crossref  mathscinet  elib  scopus
  • Квантовая электроника Quantum Electronics
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