Characterization of Chemical Sources of N2(A3 sigma Summation of sub + u)

Abstract

The C2N2-O2 system has been examined as a source of N(2D) and N2(A3 sigma u) with application to an energy transfer chemical laser. Both flowing afterglow and pulsed photodissociation techniques have been used to generate the CN radicals that initiate the chemical generation steps. Laser-induced fluorescence techniques have been used to monitor CN, NCO, and N2(A3 sigma u). The resonance-enhanced multiphoton ionization (REMPI) technique was developed for N(2D). During this work, vibrationally excited nitrogen was also characterized by its REMPI signals, and two-photon dissociation of both NO and N2O were discovered as sources of N(2D). The REMPI technique was then applied to the C2N2-O2 system, in which the presence of N(2d) was demonstrated and its temporal profile measured. Nitrogen, Chemiluminescence, Resonance enhanced, Multiphoton ionization technique.

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1989
Accession Number
ADA206604

Entities

People

  • Graham Black

Organizations

  • SRI International

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Chemical Lasers
  • Chemical Reaction Properties
  • Chemical Reactions
  • Chemical Synthesis
  • Chemistry
  • Dissociation
  • Dye Lasers
  • Energy Transfer
  • Ionization
  • Laser Beams
  • Laser Induced Fluorescence
  • Lasers
  • Light Sources
  • Measurement
  • Molecules
  • Quantum Yields
  • Resonance

Fields of Study

  • Chemistry
  • Physics

Readers

  • Molecular Photonics/Laser Physics

Technology Areas

  • Directed Energy
  • Directed Energy - Lasers