Photoionized plasmas in laboratory: a connection to astrophysics and planetary sciences

A. Bartnik; T. Pisarczyk; P. Wachulak; T. Chodukowski; T. Fok; Ł. Wegrzynski; Z. Kalinowska; H. Fiedorowicz; R. Jarocki; M. Szczurek; E. Krousky; M. Pfeifer; J. Skala; J. Ullschmied; J. Dostal; R. Dudzak; J. Hrebícek; T. Medrik; J. Cikhardt; B. Cikhardtova; D. Klir; K. Rezac; L. Pina

doi:10.1117/12.2182032

12 May 2015 Photoionized plasmas in laboratory: a connection to astrophysics and planetary sciences

A. Bartnik, T. Pisarczyk, P. Wachulak, T. Chodukowski, T. Fok, Ł. Wegrzynski, Z. Kalinowska, H. Fiedorowicz, R. Jarocki, M. Szczurek, E. Krousky, M. Pfeifer, J. Skala, J. Ullschmied, J. Dostal, R. Dudzak, J. Hrebícek, T. Medrik, J. Cikhardt, B. Cikhardtova, D. Klir, K. Rezac, L. Pina

Author Affiliations +

Proceedings Volume 9510, EUV and X-ray Optics: Synergy between Laboratory and Space IV; 95100P (2015) https://doi.org/10.1117/12.2182032
Event: SPIE Optics + Optoelectronics, 2015, Prague, Czech Republic

Abstract

In this work photoionized plasmas were created by irradiation of atomic and molecular gases by soft X-ray and extreme ultraviolet intense radiation pulses. Two different laser-produced plasma sources, employing a low energy Nd:YAG laser system (NL 129) and a high energy iodine laser system (PALS), were used for creation of photoionized plasmas. In both cases the SXR/EUV beam irradiated the gas stream, injected into a vacuum chamber synchronously with the radiation pulse. Radiation spectra, measured for photoionized plasmas produced in Ne and Ar gases, are dominated by L-shell emission lines except the Ne plasma produced using the high energy system where K-shell emission dominates. Additionally electron density measurements were performed by laser interferometry employing a femtosecond laser system synchronized with the irradiating system. Maximum electron density for Ne plasma, induced using the high energy system, reached 2·10¹⁸cm^-3. In case of employing the low energy system a detection limit was too high for interferometric measurements, thus only an upper estimation for electron density could be made.

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A. Bartnik, T. Pisarczyk, P. Wachulak, T. Chodukowski, T. Fok, Ł. Wegrzynski, Z. Kalinowska, H. Fiedorowicz, R. Jarocki, M. Szczurek, E. Krousky, M. Pfeifer, J. Skala, J. Ullschmied, J. Dostal, R. Dudzak, J. Hrebícek, T. Medrik, J. Cikhardt, B. Cikhardtova, D. Klir, K. Rezac, and L. Pina "Photoionized plasmas in laboratory: a connection to astrophysics and planetary sciences", Proc. SPIE 9510, EUV and X-ray Optics: Synergy between Laboratory and Space IV, 95100P (12 May 2015); https://doi.org/10.1117/12.2182032

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