caa a22 4500 445867094 CHVBK 20180317145501.0 cr unu---uuuuu 170323e20111201xx s 000 0 eng 10.1140/epjd/e2011-20265-2 doi (NATIONALLICENCE)springer-10.1140/epjd/e2011-20265-2 Comparison research on the laser plasma spectra with and without obvious self-absorption [Elektronische Daten] [H. Fu, C. Chen, B. Man, X. Song, D. Liu] Characteristics of laser produced Pb plasma were investigated using the spectrograph and the fast photography by an intensified charge coupled device (ICCD) camera. The optical emission spectra and images of the plasma were recorded and analyzed. The clear self-reversed structure can be revealed in the emission spectra of the lead plasma when the target is at 6 mm before the focus of lens. However, the self- absorption can not be observed in the spectra if the target is located at the focus. The electron temperature, the electron number density and the lower level atomic number density were obtained by fitting the experimental spectra at different delay times under the two circumstances. The electron number density and the lower level atomic number density are higher, as the target is at 6 mm before the focus of lens, however the electron temperature is lower as the target is located at the focus, under the same laser energy. EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg, 2011 Fu H. College of Physics and Electronics, Shandong Normal University, 250014, Jinan, P.R. China aut Chen C. College of Physics and Electronics, Shandong Normal University, 250014, Jinan, P.R. China aut Man B. College of Physics and Electronics, Shandong Normal University, 250014, Jinan, P.R. China aut Song X. College of Physics and Electronics, Shandong Normal University, 250014, Jinan, P.R. China aut Liu D. College of Physics and Electronics, Shandong Normal University, 250014, Jinan, P.R. China aut The European Physical Journal D Springer-Verlag 65/3(2011-12-01), 509-513 1434-6060 65:3<509 2011 65 10053 https://doi.org/10.1140/epjd/e2011-20265-2 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1140/epjd/e2011-20265-2 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Fu H. College of Physics and Electronics, Shandong Normal University, 250014, Jinan, P.R. China aut NATIONALLICENCE 700 1- Chen C. College of Physics and Electronics, Shandong Normal University, 250014, Jinan, P.R. China aut NATIONALLICENCE 700 1- Man B. College of Physics and Electronics, Shandong Normal University, 250014, Jinan, P.R. China aut NATIONALLICENCE 700 1- Song X. College of Physics and Electronics, Shandong Normal University, 250014, Jinan, P.R. China aut NATIONALLICENCE 700 1- Liu D. College of Physics and Electronics, Shandong Normal University, 250014, Jinan, P.R. China aut NATIONALLICENCE 773 0- The European Physical Journal D Springer-Verlag 65/3(2011-12-01), 509-513 1434-6060 65:3<509 2011 65 10053 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer