Coherent light generators – Particular active media – Gas
Patent
1986-02-03
1989-07-18
Sikes, William L.
Coherent light generators
Particular active media
Gas
372 37, 372 87, 372 90, H01S 322
Patent
active
048499846
ABSTRACT:
A laser system having a high power output and a large volume gaseous discharge has a plurality of electrodes at each end of a channel to establish a plurality of discharges and a housing arranged to provide a continuous recirculating lasing gas flow through the channel. An ejector connected to a main circulating pump is fixed to discharge into the recirculating lasing gas flow adjacent the channel to mix lasing gas streams and cause diffusion of the gas and thereby provide a uniform plasma flow in the channel. In one embodiment, magnets are arranged to surround the channel to eliminate thermal instabilities, if they arise, and to further homogenize the lasing gas streams and insure their uniformity.
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Hill; "Uniform Electrical Excitation of Large-Volume High-Pressure Near-Sonic CO.sub.2 -N.sub.2 -He Flowstream"; Applied Phys. Letters; vol. 18, No. 5, Mar. 1, 1971; pp. 194-197.
Holloway B. Randolph
Sikes William L.
Smith Donald P.
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