Gas laser with at least one excitation tube wherethrough gas is

Details Gas laser with at least one excitation tube wherethrough gas is Gas laser with at least one excitation tube wherethrough gas is

1989-10-25

1992-01-21

Sikes, William L.

Coherent light generators

Particular active media

Gas

372 61, H01S 303

Patent

active

RE0338036

ABSTRACT:
An axial flow gas transport laser comprising an excitation tube through which gas flows along an axis of the tube, an inlet arrangement to feed gas towards the excitation tube and an outlet arrangement to discharge gas from the excitation tube. At least one of the inlet and outlet arrangements comprises a circumferential opening arrangements evenly distributed along the periphery of the excitation tube, substantially in a cross-section plane of the tube. A gas flow channel arrangement to the opening arrangement is directed at least substantially in the direction of the excitation tube axis and into the excitation tube at the opening arrangement for preventing wide-areal turbulances of the gas flowing in the excitation tube.

REFERENCES:
patent: 3671883 (1972-06-01), Smars
patent: 3720885 (1973-03-01), Koloc
patent: 4274065 (1981-06-01), Garscadden et al.
patent: 4457000 (1984-06-01), Rao
patent: 4470144 (1984-09-01), Sano et al.
patent: 4541097 (1985-09-01), Kuwabara et al.
patent: 4573162 (1986-02-01), Bakowsky et al.

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