Laser apparatus having cathode bore directing electron beam onto

Details Laser apparatus having cathode bore directing electron beam onto Laser apparatus having cathode bore directing electron beam onto

1987-06-15

1989-04-25

Sikes, William L.

Coherent light generators

Particular pumping means

Electrical

372 56, 372 88, H01S 3097

Patent

active

048254460

ABSTRACT:
Laser apparatus includes a ceramic tube within which is contained a gas and a cylindrical cathode having a plurality of holes therethrough. An anode is located along the axis of the tube. During operation of the apparatus, a large potential difference is applied between the anode and cathode, causing a plurality of electron beams to be formed extensive of the holes. Vapor is emitted from the electron bombarded cylindrical rod and becomes excited, and laser action occurs.

REFERENCES:
patent: 3396301 (1968-08-01), Kobayashi et al.
patent: 3464025 (1969-08-01), Bell
patent: 3784928 (1974-01-01), Crane
patent: 3787781 (1974-01-01), Medicus
patent: 3828277 (1974-08-01), Otto et al.
patent: 4420835 (1983-12-01), Hattori
patent: 4639926 (1987-01-01), Wang et al.
patent: 4698546 (1987-10-01), Maitland et al.
Schuebel; "Laser Action in Al II and He I in a Slot Cathode Discharge"; Appl. Phys. Letters; vol. 30, No. 10, May 15, 1977; pp. 516-519.

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