Oscillators – Molecular or particle resonant type
Patent
1979-01-22
1981-02-17
Davie, James W.
Oscillators
Molecular or particle resonant type
331 945D, H01S 3097
Patent
active
042517818
ABSTRACT:
An electrically excited laser is disclosed wherein a laser gas is caused to flow along a gas flow channel and through an excitation region thereof in which an electric discharge is established between an anode and a cathode disposed substantially flush with respective opposing walls of the gas flow channel, and wherein an electron beam is introduced into the excitation region along a direction parallel to the discharge direction. A shield arrangement is provided immediately downstream from the laser excitation region to confine the discharge to the region directly between the anode and the cathode. The shield arrangement includes a plurality of planar electrically insulating rack members disposed across the gas flow channel in respective spaced planes parallel to both the direction of the discharge and the gas flow direction, and a plurality of planar shelf members carried by the rack members and oriented with their board surfaces transverse to the rack members. The shelf members are tightly fit within grooves in the rack members and are held in place by the gas flow pressure without any bonding or cementing.
REFERENCES:
patent: 3886481 (1975-05-01), Foster et al.
patent: 3962656 (1976-06-01), Peressini
patent: 3970962 (1976-07-01), Peressini et al.
patent: 4096449 (1978-06-01), Foster
Coble Paul M.
Davie James W.
Hughes Aircraft Company
MacAllister William H.
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