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- Title
Effective Nonchain HF Laser Excited by a Self-Sustained Discharge.
- Authors
Panchenko, A.N.; Orlovski&icaron;, V.M.; Tarasenko, V.F.
- Abstract
Lasing and discharge in mixtures of SF[sub 6] with hydrogen and hydrocarbons are investigated. If the chemical reaction is initiated by a self-sustained discharge (a generator with both an inductive and capacitive energy storage can be used), the maximum lasing efficiency is attained at high values of the ratio E/p (where E is the electric field intensity and p is the pressure in the mixture) if shaped electrodes and preionization of the discharge gap are employed. For the first time, the lasing efficiency obtained in a nonchain HF laser is as high as 10% of the energy deposit and 4.5% of the stored energy for a specific radiation energy of ≈140 J/(l atm). At high efficiencies, the emission spectrum of the nonchain HF laser significantly broadens and cascade lasing at P(3–2) → P(2–1) → P(1–0) vibrational transitions for several rotational lines is realized. © 2003 MAIK “Nauka / Interperiodica”.
- Subjects
HYDROCARBONS; HYDROGEN
- Publication
Technical Physics, 2003, Vol 48, Issue 2, p267
- ISSN
1063-7842
- Publication type
Article
- DOI
10.1134/1.1553573