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Simulation of meteors by TC-LIBS: Advantages, limits and challenges

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    0520582 - ÚFCH JH 2020 DE eng C - Conference Paper (international conference)
    Ferus, Martin - Křivková, Anna - Petera, Lukáš - Laitl, Vojtěch - Lenža, Libor - Koukal, J. - Knížek, Antonín - Srba, J. - Schmidt, N. - Boháček, P. - Civiš, Svatopluk - Krůs, Miroslav - Kubát, J. - Paloušová, L. - Chatzitheodoridis, E. - Kubelík, Petr
    Simulation of meteors by TC-LIBS: Advantages, limits and challenges.
    Proceedings of the IMC. Bollmannsruh: International Meteor Organization, 2019, s. 1-8.
    [International Meteor Conference IMC 2019. Bollmannsruh (DE), 03.10.2019-06.10.2019]
    R&D Projects: GA ČR(CZ) GA18-27653S; GA MŠMT EF16_019/0000778; GA TA ČR(CZ) TL01000181
    Institutional support: RVO:61388955 ; RVO:68378271
    Keywords : meteors * meteor spectra * simulation
    OECD category: Physical chemistry

    Important features in meteor spectra are usually interpreted by synthetic convolution of lines extracted from databases. However, wedeveloped an entirelynew approach in this field.Instead of the aforementioned one, experimental techniques based on ablation of real meteorite samples using a wide range of laser sourcesare exploitedwithin our method. We performed several experiments in order to provide spectra of several molecular, radical and molecular ion species that are likely to appear in meteor or cometary impact plasma. The spectra are recorded byahigh-resolution laboratory Echelle spectrograph and,simultaneously, bya high-resolution Meteor Spectral Camera for real meteor observation. In this manner, we show that instead of theoretical spectra simulation, laboratory experiments can be usedat least forthequalitative evaluation of the observational data andfor theassignment of important spectral features in meteor emission spectra. We also investigateablation spots for the future estimation of parameters of a high-power laser, which is used for remote LIBS applied in astronautics.
    Permanent Link: http://hdl.handle.net/11104/0305236

     
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