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Kvantovaya Elektronika, 2018, Volume 48, Number 6, Pages 554–558 (Mi qe16845)  

This article is cited in 5 scientific papers (total in 5 papers)

Terahertz radiation

A source of THz radiation with electric field strength of more than 1 MV cm-1 on the basis of 100-Hz femtosecond Cr : forsterite laser system

A. V. Ovchinnikov, O. V. Chefonov, D. S. Sitnikov, I. V. Il'ina, S. I. Ashitkov, M. B. Agranat

Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow

Abstract: A source of terahertz (THz) radiation with a bandwidth of 0.5–2.5 THz and a pulse repetition rate of 100 Hz has been developed. The THz generation is based on optical rectification of femtosecond pulses (generated by a Cr : forsterite laser system) in a nonlinear organic crystal OH1. An optical scheme of a multipass amplifier for the Cr : forsterite laser system is developed to increase the pulse energy to 2.2 mJ. The conversion efficiency for pump laser radiation at a wavelength of 1.24 μm into THz radiation is found to be to 2%. An electric field strength of 3.5 MV cm-1 is attained when focusing a THz beam into a near diffraction-limited spot.

Keywords: multipass amplifier, femtosecond laser pulse, optical rectification, terahertz radiation.

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English version:
Quantum Electronics, 2018, 48:6, 554–558

Bibliographic databases:

Received: 16.03.2018

Citation: A. V. Ovchinnikov, O. V. Chefonov, D. S. Sitnikov, I. V. Il'ina, S. I. Ashitkov, M. B. Agranat, “A source of THz radiation with electric field strength of more than 1 MV cm-1 on the basis of 100-Hz femtosecond Cr : forsterite laser system”, Kvantovaya Elektronika, 48:6 (2018), 554–558 [Quantum Electron., 48:6 (2018), 554–558]

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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 O. Chefonov , V A. Ovchinnikov , M. B. Agranat, A. N. Stepanov, Opt. Lett., 44:17 (2019), 4099–4102  crossref  isi
    2. D. S. Sitnikov, S. A. Romashevskiy, V A. Ovchinnikov , V O. Chefonov , A. B. Savel'ev, M. B. Agranat, Laser Phys. Lett., 16:11 (2019), 115302  crossref  isi  scopus
    3. V. S. Makin, R. S. Makin, J. Opt. Technol., 87:1 (2020), 1–7  crossref  isi
    4. D. S. Sitnikov, I. V. Ilina, A. A. Pronkin, Opt. Eng., 59:6 (2020), 061613  crossref  isi
    5. High Temperature, 58:1 (2020), 36–43  mathnet  crossref  isi  elib
  • Квантовая электроника Quantum Electronics
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