Quenching of NO(A {sup 2}{Sigma}{sup +}) state in a nonequilibrium air plasma
- CORIA-Universite de Rouen, 76801 Saint-Etienne-du-Rouvray (France)
An unexpectedly high quenching rate (2x10{sup 9} s{sup -1}) of NO(A {sup 2}{Sigma}{sup +}) state has been measured during laser-induced fluorescence measurements of NO densities carried out using a broadband KrF laser in an inductively coupled nonequilibrium air plasma at moderate pressure (38 hPa) and translational temperatures (2500-3000 K). Many assumptions may be made to explain such a high quenching rate but most fail. The quenching species is identified as being produced during the laser pulse but remains unknown in spite of thorough investigations.
- OSTI ID:
- 21464565
- Journal Information:
- Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 20 Vol. 97; ISSN APPLAB; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
AIR
CHALCOGENIDES
COHERENT SCATTERING
ELECTRON TEMPERATURE
EMISSION
ENERGY LEVELS
EXCIMER LASERS
EXCITED STATES
FLUIDS
FLUORESCENCE
GAS LASERS
GASES
ION TEMPERATURE
KRYPTON FLUORIDE LASERS
LASERS
LIGHT TRANSMISSION
LUMINESCENCE
NITRIC OXIDE
NITROGEN COMPOUNDS
NITROGEN OXIDES
OXIDES
OXYGEN COMPOUNDS
PHOTON EMISSION
PLASMA
PLASMA DENSITY
PLASMA DIAGNOSTICS
PLASMA PRESSURE
PULSES
QUENCHING
RAYLEIGH SCATTERING
SCATTERING
TRANSMISSION
GENERAL PHYSICS
AIR
CHALCOGENIDES
COHERENT SCATTERING
ELECTRON TEMPERATURE
EMISSION
ENERGY LEVELS
EXCIMER LASERS
EXCITED STATES
FLUIDS
FLUORESCENCE
GAS LASERS
GASES
ION TEMPERATURE
KRYPTON FLUORIDE LASERS
LASERS
LIGHT TRANSMISSION
LUMINESCENCE
NITRIC OXIDE
NITROGEN COMPOUNDS
NITROGEN OXIDES
OXIDES
OXYGEN COMPOUNDS
PHOTON EMISSION
PLASMA
PLASMA DENSITY
PLASMA DIAGNOSTICS
PLASMA PRESSURE
PULSES
QUENCHING
RAYLEIGH SCATTERING
SCATTERING
TRANSMISSION