Recirculation or stirred reactor flow laser

Details Recirculation or stirred reactor flow laser Recirculation or stirred reactor flow laser

1974-02-13

1976-12-28

Webster, Robert J.

Oscillators

Molecular or particle resonant type

330 43, 331 945D, H01S 322

Patent

active

040004775

ABSTRACT:
A laser which obtains lasing action from gases flowing into and out of a laser cavity is substantially improved by causing the flowing gases to traverse a strongly recirculating flow field. The recirculation of exhaust flow gases into the incoming flow gases, in a controlled recirculation region, leads to substantially uniform distribution of gas composition, chemical and thermodynamic states, pressure, temperature, density and refractive index throughout the cavity. Recirculation flow fields are generated by opposed jets, behind baffles, in swirling flow, in spheres when jet velocities are high and in duct flows where a high momentum, high velocity jet is surrounded by a co-flowing low momentum low velocity stream.

REFERENCES:
patent: 3720885 (1973-03-01), Koloc
patent: 3842363 (1974-10-01), Dobrzelcki et al.
Spencer et al., J. of Applied Physics, vol. 43, No. 3, Mar. 1972, pp. 1151-1157.

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