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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/075/06/1145-1150

    • Keywords

       

      Spectroscopy; laser-induced plasma; plasma temperature.

    • Abstract

       

      It is a well-known fact that laser-induced breakdown spectroscopy (LIBS) has emerged as one of the best analytical techniques for multi-elemental compositional analysis of samples. We report assembling and optimization of LIBS set up using high resolution and broad-range echelle spectrograph coupled to an intensified charge coupled device (ICCD) to detect and quantify trace elements in environmental and clinical samples. Effects of variations of experimental parameters on spectroscopy signals of copper and brass are reported. Preliminary results of some plasma diagnostic calculations using recorded time-resolved optical emission signals are also reported for brass samples.

    • Author Affiliations

       

      V K Unnikrishnan1 Kamlesh Alti1 Rajesh Nayak1 Rodney Bernard1 V B Kartha1 C Santhosh1 G P Gupta2 B M Suri2

      1. Centre for Atomic and Molecular Physics, Manipal University, Manipal 576 104, India
      2. Laser and Plasma Technology Division, Bhabha Atomic Research Centre, Mumbai 400 085, India
    • Dates

       
  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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