He--Ne gas discharge tube

Details He--Ne gas discharge tube He--Ne gas discharge tube

1988-02-02

1989-08-01

Sikes, William L.

Coherent light generators

Particular active media

Gas

372 61, 372 88, 313634, 313636, H01S 303

Patent

active

048539384

ABSTRACT:
He--Ne gas discharge tube having a cylindrical tube body with an inside cathode cylinder and end walls which are inserted into ends of the tube body and which have for two capillary tubes, outside ends of which are closed by means of Brewster windows, exhaust pipe and connecting pin for the cathode cylinder. The tube, the end walls and the capillary tubes consist of calcium alkalisilicate glass or calcium alumosilicate glass. The end walls are sealingly connected by means of glass solder to the tube body, the capillary tubes, the exhaust pipe and the cathode connecting pin. The He--Ne gas discharge tube is characterized by a high helium tightness.

REFERENCES:
patent: Re27282 (1972-02-01), Kolb, Jr.
patent: 3787780 (1974-01-01), Powell
patent: 3936767 (1976-02-01), Besson et al.
patent: 3955152 (1976-05-01), Lewis
patent: 4001624 (1977-01-01), Cosco et al.
patent: 4326178 (1982-04-01), Van Der Brink et al.
patent: 4475202 (1984-10-01), Baron et al.
patent: 4564948 (1986-01-01), Golser
patent: 4649546 (1987-03-01), Schmid
patent: 4656640 (1987-04-01), Peterson et al.
Hernqvist et al.; "Inexpensive . . . Laser Tube Construction"; Optics and ser Technology; Apr. 1977; pp. 78-80.

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