Metallic vapor laser apparatus

Details Metallic vapor laser apparatus Metallic vapor laser apparatus

1990-05-18

1991-02-05

Scott, Jr., Leon

Coherent light generators

Particular active media

Gas

372 34, 372 58, 372 61, 372 60, H01S 322

Patent

active

049911805

ABSTRACT:
A metallic vapor laser apparatus includes a cylindrical discharge tube (31) having an internal space (2), a heat-insulating material (6) encompassing the periphery of the discharge tube (31), and two electrodes (3a) and (3b) having a cylindrical portion coaxial with the discharge tube (31) and disposed at both ends of the discharge tube (31). The internal space (2) are filled with a gas containing the vapor of copper as a laser medium for effecting laser oscillation by the excitation of the filler gas and the discharge. A gas inlet (40) from introducing a buffer gas (G) into the inside is formed at one of the outside position of the two electrodes (3a) and (3b) in the axial direction and gas exhaust ports (33a) for exhausting the buffer gas (G) to the outside are formed in the proximity of both ends of the heat-insulating material (6) so that flow paths in which the buffer gas flows from the side of the internal space (2) to the side of the heat-insulating material are formed between the discharge tube (31) and the electrodes (3a) and (3b).

REFERENCES:
patent: 4412333 (1983-10-01), McLellan
patent: 4639926 (1987-01-01), Wang et al.
patent: 4771435 (1988-08-01), Tobin et al.
patent: 4951296 (1990-08-01), McMahan

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