Ion laser

Details Ion laser Ion laser

1988-09-16

1989-10-24

Scott, Jr., Leon

Coherent light generators

Particular active media

Gas

372 61, H01S 303

Patent

active

048766917

ABSTRACT:
An ion laser includes a plurality of thin refractory metal disk members with the perimeter of the disks embedded directly into a ceramic plasma tube. A central aperture is formed in the middle of each disk, and a plurality of apertures are formed around the periphery of the disk. In the fabrication process, ceramic powder is compacted to form an outer plasma tube. Two separate tubes, each with electrodes and embedded washer ends, can be formed and fused to form a single tube. The disks (with the surrounding compacted ceramic disposed around the periphery of the disk) are stacked within the plasma tube and the green ensemble of ceramic and metal is fired in only one furnace step with controlled atmospheres. Hermetic cathode and anode electrodes are also formed in the same firing through the plasma tube. Ends are sealed with a mirror-mount of the Brewster window structure, in one embodiment either laser welded or soldered to a refractory metal end disk embedded in the green ceramic at the ends of the tube. The tube can be either air or water cooled. The number of furnace steps and parts necessary for the ion laser is reduced.

REFERENCES:
patent: 4380077 (1983-04-01), McMahan
patent: 4385390 (1983-05-01), McMahan
patent: 4719638 (1988-01-01), Carlson et al.

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