The Optogalvanic Effect

  • John C. Travis
  • James R. DeVoe
Part of the Contemporary Instrumentation and Analysis book series (CIA)

Abstract

Every scientist since Albert Einstein has been taught about the photoelectric effect (1), by which photons more energetic than the binding energy of the outer electrons on the surface of a material are capable of producing ionization. The production of ions by collisional processes in plasmas is a familiar phenomenon as well (2). With the benefits of hindsight, it is therefore reasonable to postulate a hybrid ionization process for free atoms or molecules in a plasma, whereby the outer electron is promoted to the ionization potential by a sequence of collisional and optical excitations (3) utilizing discrete electronic energy states as “stepping stones.” One would expect the presence of photons tuned to a transition to increase the ionization rate in such a system.

Keywords

Burner Vortex Nickel Migration Furnace 

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Copyright information

© The HUMANA Press Inc. 1981

Authors and Affiliations

  • John C. Travis
    • 1
  • James R. DeVoe
    • 1
  1. 1.Center for Analytical ChemistryNational Bureau of StandardsUSA

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