TITLE

Efficiency of an electron-beam-pumped chemical laser with an SF[sub 6]–H[sub 2] working mixture

AUTHOR(S)
Orlovskiı, V. M.; Sosnin, É. A.; Tarasenko, V. F.; Ponomarenko, A. G.; Khapov, Yu. I.
PUB. DATE
January 1999
SOURCE
Technical Physics;Jan99, Vol. 44 Issue 1, p69
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Results are presented from a study of HF lasers pumped by non-chain chemical reactions initiated by a radially convergent and by a planar electron beam. The main channels of formation of vibrationally excited HF molecules are analyzed. The distribution of the energy density of the radiation in the output beam of a wide-aperture laser is measured. In 30 liters of a mixture of SF[sub 6]:H[sub 2]=8:1 at a pressure of 1.1 atm an output energy of ∼200 J is obtained at an ∼11% efficiency with respect to the energy deposition. It is shown that the admixture of a buffer gas of neon or argon improves the uniformity of the radiation energy distribution in the output beam of an HF laser pumped by a non-chain chemical reaction and initiated by an electron beam, and it also increases the output energy. © 1999 American Institute of Physics.
ACCESSION #
7324904

 

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