4.6 Article

Time-resolved Fourier transform infrared emission spectroscopy of laser ablation products

Journal

CHEMICAL PHYSICS LETTERS
Volume 463, Issue 1-3, Pages 38-41

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2008.08.018

Keywords

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Funding

  1. Ministry of Education, Culture, Sports, Science, and Technology of Japan [18350010]
  2. Grants-in-Aid for Scientific Research [18350010] Funding Source: KAKEN

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Time-resolved Fourier transform infrared spectroscopy was applied for observations of emission spectra from ablation products induced by a Nd:YLF laser with a 2.5 kHz repletion rate. The infrared emission spectra from Fe, Cu, Zn, and Al atoms were observed in the 2.5-5 mu m region. The observed emission spectrum from iron ablation in the 2500 cm (1) region agrees very well with solar absorption spectrum, where new lines have been detected in the present experiment in addition to the lines observed from a hollow cathode discharge. When O-2 was added to the carbon ablation, emissions from vibrationally excited CO were observed with non-equilibrium vibrational distribution. (c) 2008 Elsevier B. V. All rights reserved.

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