Lasing in nitrogen pumped by a runaway-electron-preionised diffuse discharge
Journal Article
·
· Quantum Electronics (Woodbury, N.Y.)
- Institute of High Current Electronics, Siberian Branch, Russian Academy of Sciences, Tomsk (Russian Federation)
UV lasing is studied in nitrogen and the N{sub 2} - SF{sub 6} mixture pumped by a volume discharge initiated by a runaway-electron preionised diffuse discharge (REPDD) produced in an inhomogeneous electric field. It is shown that lasing at a wavelength of 337.1 nm is observed at pressures up to 2.5 atm without any preionisation source. At a pressure of 0.5 atm with the use of blade electrodes and the N{sub 2}:SF{sub 6}=10:1 active medium of length {approx} 6 cm, the output laser energy of {approx} 2 mJ was achieved for the pulse power of 0.55 MW. The REP DD pumping regime is compared with the regime of pumping by a volume discharge produced by a preionisation source. (lasers)
- OSTI ID:
- 21476618
- Journal Information:
- Quantum Electronics (Woodbury, N.Y.), Vol. 39, Issue 12; Other Information: DOI: 10.1070/QE2009v039n12ABEH014112; ISSN 1063-7818
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
74 ATOMIC AND MOLECULAR PHYSICS
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ELECTRIC DISCHARGES
ELECTRIC FIELDS
ELECTRODES
ELECTRON BEAM PUMPING
IONIZATION
LASER RADIATION
NITROGEN
PULSES
RUNAWAY ELECTRONS
SULFUR FLUORIDES
WAVELENGTHS
ELECTRICAL PUMPING
ELECTROMAGNETIC RADIATION
ELECTRONS
ELEMENTARY PARTICLES
ELEMENTS
FERMIONS
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
LEPTONS
NONMETALS
PUMPING
RADIATIONS
SULFUR COMPOUNDS
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ELECTRIC DISCHARGES
ELECTRIC FIELDS
ELECTRODES
ELECTRON BEAM PUMPING
IONIZATION
LASER RADIATION
NITROGEN
PULSES
RUNAWAY ELECTRONS
SULFUR FLUORIDES
WAVELENGTHS
ELECTRICAL PUMPING
ELECTROMAGNETIC RADIATION
ELECTRONS
ELEMENTARY PARTICLES
ELEMENTS
FERMIONS
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
LEPTONS
NONMETALS
PUMPING
RADIATIONS
SULFUR COMPOUNDS