CO Chemical laser produced by laser induced chemistry of CSCl.su

Details CO Chemical laser produced by laser induced chemistry of CSCl.su CO Chemical laser produced by laser induced chemistry of CSCl.su

1979-06-25

1981-04-28

Sikes, William L.

Oscillators

Molecular or particle resonant type

H01S 3223

Patent

active

042648785

ABSTRACT:
The R.sub.(48) (992 cm.sup.-1) line of a tunable cw multiline CO.sub.2 laser is used to dissociate thiophosgene (CSCl.sub.2) to produce the excited radical, CS*, homogenously in a laser chamber containing premixed O.sub.2. The R.sub.(48) (992 cm.sup.-1) line of the CO.sub.2 laser is resonant with the 2.nu..sub.2 (992 cm.sup.-1) overtone of CSCl.sub.2. This line is strongly absorbed by the CSCl.sub.2 which dissociates (80%) into 2 Cl and CS*. The CS* reacts with the premixed O.sub.2 to chemically produce excited CO which subsequently lases.

REFERENCES:
patent: 4099138 (1978-07-01), Jeffers et al.
"Thermochemical Generation of CS and S for CO Chemical Lasers", by Richarn et al.; Jour. of App. Phys., vol. 48, No. 6 (Jun. '77) pp. 2509-2514.
"Thermochemical Generation of CS for CO Chemical Lasers" by Buonadonna et al.; AIAA Journal, vol. 14, No. 8, pp. 1106-1110 (Aug. '76).
"Combustor-driven laser" by Richardson et al.; Laser Focus (Jun. '78) pp. 50-54.
"Dynamics of the CS.sub.2 -O.sub.2 Flame" by Howgrate et al.; Jour. of Chem. Phys., vol. 59, No. 6 (Sep. '73) p. 2815.

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