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Anomalous optogalvanic signal : spectrometric applications

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Języki publikacji
EN
Abstrakty
EN
Along with the conventional optogalvanic (OG) signal an anomalous ligh-induced response has been detected in hollow cathode discharge. This response manifests itself both in the amplitude and time-resolved OG reactions. The anomalous OG signal is found to be less dependent on the absorbing optical transition and yet, more informative on the parameters of the plasma medium, that is the OG detector. This circumstance is proposed for usage in four applications based on the behaviour of the anomalous OG signal. The latter is taken as a spectral marker, as an amplified quasi-amplitude signal as well as a sensitive tool in monitoring procedure.
Twórcy
autor
  • Institute of Solid State Physics, Bulgarian Academy of Sciences 72 Tzarigradsko Chaussee Blvd., BG-1784 Sofia, Bulgaria
autor
  • Institute of Solid State Physics, Bulgarian Academy of Sciences 72 Tzarigradsko Chaussee Blvd., BG-1784 Sofia, Bulgaria
Bibliografia
  • 1. B. Barbieri and N. Beverini, "Optogalvanic spectroscopy", Rev. Modem Phys. 62, 603-644 (1990).
  • 2. "Optogalvanic spectroscopy", Proc. 2nd Int. Meeting on Optogalvanic Spectroscopy and Allied Topics, Strathclyde University, Glasgow, 2-3 August 1990, Inst. of Phys. Conference Series Number 113, Institute of Physics, Bristol, Philadelphia and New York.
  • 3. K. Tochigi, S. Maeda, and C. Hirose, "Optogalvanic observation of ionisation waves in hollow-cathode discharge", Phys. Rev. Lett. 57, 711-718 (1986).
  • 4. L. Seong-Poong, E.W. Rothe, and G.P. Rock, "Influence of electrical resonance on the interpretation of optogalvanic data", J. Appl. Phys. 61, 109-112 (1987).
  • 5. Bourakov, P. Naumenkov, G. Razdobarin, and N. Tarasenko, "Dynamic optogalvanic signals in hollow cathode discharge", ITP 53, 1721-1727 (1983).
  • 6. D. Zhechev and S. Atanassova, "Optogalvanic indication of gas discharge plasma instability and optical probing of laser light perturbed HCD", Proc. SPIE 3052, 272-277 (1996).
  • 7. D. Zhechev and G. Todorov, "On the peak-like light induced responses in a hollow cathode discharge", Opt. Comm. 136, 227-230 (1997).
  • 8. R. Singh and R.K. Thareja, "Damped oscillations in the optogalvanic signals in a hollow cathode discharge", Molecular Crystals and Liquid Crystals Science and Technology Section B: Nonlinear Optics 7, 37-40 (1994).
  • 9. J. Franzke, D. Veza, M. Bratescu, and K. Niemax, "Pseudosonic wave detection in laser spectrometry", Spectrochim. Acta B53, 613-620 (1998).
  • 10. D.A. Rusak, J.E. Anderson, E.E. Kunhardt, and C.W. Wilkerson Jr., "Optogalvanic and pseudosonic wave spectroscopies in oscillating d.c. discharges", Spectrochim. Acta B55, 1249-1256 (2000).
  • 11. L. Pekarek and V. Krejci, "The physical nature of the production of moving striations in a d.c. discharge current", Chech. J. Phys. 11B, 729-742 (1961).
  • 12. D. Zhechev and S. Atanassova, "Time dependent opto-galvanic reaction and stability to disturbance of an opto-galvanic circuit with hollow cathode discharge", Opt. Comm. 156, 400 (1998).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BWA2-0006-0123
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