Supersonic nozzle beam source of atomic oxygen produced by electric discharge heating

Journal Article · Sun Oct 31 23:00:00 EST 1982 · Rev. Sci. Instrum.; (United States)

DOI:https://doi.org/10.1063/1.1136875· OSTI ID:6772310

Silver, J A; Freedman, A; Kolb, C E; Rahbee, A; Dolan, C P

An atmospheric pressure supersonic nozzle beam source of atomic oxygen is described. Dissociation of molecular oxygen is accomplished by injection into a flow of helium and/or argon which has been heated in a commercial plasma torch. Dissociation efficiencies approaching unity are achieved with beam velocities in the range of 1.5--4.0 km s/sup -1/. Production of rare gas metastable and electronically excited oxygen species are minimized by the source design.

• Research Organization: Center for Chemical and Environmental Physics, Aerodyne Research, Inc., 45 Manning Road, Billerica, Massachusetts 01821
• OSTI ID: 6772310
• Journal Information: Rev. Sci. Instrum.; (United States), Journal Name: Rev. Sci. Instrum.; (United States) Vol. 53:11; ISSN RSINA
• Country of Publication: United States
• Language: English

Related Subjects

440300* -- Miscellaneous Instruments-- (-1989)
47 OTHER INSTRUMENTATION
ARGON
ATOMIC BEAMS
BEAMS
DESIGN
DISSOCIATION
EFFICIENCY
ELECTRIC DISCHARGES
ELEMENTS
ENERGY LEVELS
EXCITED STATES
FLUID FLOW
FLUIDS
GASES
HEATING
HELIUM
MEDIUM PRESSURE
METASTABLE STATES
MOLECULES
NONMETALS
NOZZLES
OXYGEN
PLASMA
RARE GASES
SUPERSONIC FLOW
VELOCITY