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Träfflista för sökning "WFRF:(Grönlund Rasmus) ;spr:eng;conttype:(refereed);pers:(Lundqvist M)"

Sökning: WFRF:(Grönlund Rasmus) > Engelska > Refereegranskat > Lundqvist M

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1.
  • Bengtsson, Magnus, et al. (författare)
  • Remote laser-induced breakdown spectroscopy for the detection and removal of salt on metal and polymeric surfaces
  • 2006
  • Ingår i: Applied Spectroscopy. - : SAGE Publications. - 1943-3530 .- 0003-7028. ; 60:10, s. 1188-1191
  • Tidskriftsartikel (refereegranskat)abstract
    • The detection of contamination such as salt in outdoor high-voltage insulator systems and its subsequent removal are vital for a reliable transmission of electric power. Remote detection of salt on a copper metal surface was carried out by using a mobile laser-induced breakdown spectroscopy (LIBS) Lidar system with a laser wavelength of 355 nm. Detection of salt on a polymeric high-voltage insulator was obtained when an additional lens was inserted into the beam path, and the number of photons that was detected could be calculated by using a calibrated white light source. Ablative cleaning could readily be carried out with LIBS and was verified by observing the disappearance of the sodium D-line emission.
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2.
  • Grönlund, Rasmus, et al. (författare)
  • Remote imaging laser-induced breakdown spectroscopy and remote cultural heritage ablative cleaning
  • 2005
  • Ingår i: Optics Letters. - 0146-9592. ; 30:21, s. 2882-2884
  • Tidskriftsartikel (refereegranskat)abstract
    • We report, for what we believe to be the first time, on remote imaging laser-induced breakdown spectroscopy (LIBS). Measurements have been performed by using a tripled Nd:YAG laser working at 355 nm with 170 mJ pulse energy, with an expanded beam that is focused onto a target at 60 m distance. The LIBS signal is detected by using an on-axis Newtonian telescope and an optical multichannel analyzer. The imaging is performed by scanning the laser beam on the target. The same setup is also used in demonstrations of remote laser ablation for cleaning of contaminated objects with applications toward cultural heritage.
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  • Resultat 1-2 av 2
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tidskriftsartikel (2)
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Svanberg, Sune (2)
Grönlund, Rasmus (2)
Kröll, Stefan (1)
Larsson, A (1)
Bengtsson, Magnus (1)
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Lunds universitet (2)
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Forskningsämne (UKÄ/SCB)
Naturvetenskap (2)

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