Metal ion laser
First Claim
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1. A hollow cathode type metal ion laser utilizing negative glow discharge for generating a laser beam, comprising:
- a glass tube extending fore and aft directions;
a hollow elongated cathode inserted into said glass tube;
a plurality of anodes mounted on said glass tube;
a pair of Brewster windows sealingly fixed to axial opposite ends of said glass tube;
coil springs disposed between opposite ends of said hollow cathode and corresponding ends of said glass tube respectively and resiliently retained said hollow cathode in said glass tube;
Brewster window protecting devices provided in said glass tube and near to said Brewster windows.
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Abstract
A hollow cathode type metal ion laser utilizing negative glow discharge for generating a laser beam. A hollow cathode is inserted into a glass tube, and there are provided springs between opposite ends of the hollow cathode and adjacent ends of the glass tube respectively.
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Citations
4 Claims
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1. A hollow cathode type metal ion laser utilizing negative glow discharge for generating a laser beam, comprising:
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a glass tube extending fore and aft directions; a hollow elongated cathode inserted into said glass tube; a plurality of anodes mounted on said glass tube; a pair of Brewster windows sealingly fixed to axial opposite ends of said glass tube; coil springs disposed between opposite ends of said hollow cathode and corresponding ends of said glass tube respectively and resiliently retained said hollow cathode in said glass tube; Brewster window protecting devices provided in said glass tube and near to said Brewster windows. - View Dependent Claims (2, 3, 4)
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Specification