Actions for Recombination pumped atomic nitrogen and carbon afterglow lasers

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Recombination pumped atomic nitrogen and carbon afterglow lasers

Author
Cooper, G. W.
Published
United States : [publisher not identified], 1976.
[Oak Ridge, Tennessee] : [U.S. Atomic Energy Commission], 1976.
Physical Description
microfiche : negative ; 11 x 15 cm

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Summary
It is well established that lasing of atomic nitrogen and carbon can be obtained during the afterglow of an electrical discharge in gas mixtures of either neon or helium containing low partial pressures of N/sub 2/ or CO. In addition, the neon-nitrogen laser has recently been pumped directly by nuclear radiation. Microwave quenching experiments have shown conclusively that the afterglow lasers are being pumped directly by the recombination of electron-ion pairs. This result differs from the mechanisms previously proposed for these systems. Measurements comparing the relative sensitivity to the electron temperature of the neon to atomic nitrogen and carbon afterglow light infer that the recombination process pumping these lasers is collisional-radiative, allowing the recombining ions to be identified as N/sup +/ and C/sup +/. Since this process is highly compatible with nuclear-radiation generated plasmas, it is not unreasonable to infer that this process is also the pumping mechanism in the nuclear-excited, neon-nitrogen laser.
Report Numbers
COO-2007-77
Other Subject(s)
Collection
U.S. Atomic Energy Commission depository collection.
Note
DOE contract number: EY-76-S-02-2007
OSTI Identifier 7237070
Research organization: Univ. of Illinois at Urbana-Champaign, IL (United States).
View MARC record | catkey: 44269023