Laser apparatus
First Claim
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1. A laser apparatus, for convection gas cooling including a casing enclosing a gas circulation and excitation system, comprising:
- a laser tube;
a pair of electrodes in said laser tube;
a circulation turbine disposed concentrically about said laser tube;
said circulation turbine, during rotation of said circulation turbine causing said gas to flow in a predetermined direction through said laser tube, whereby gas recirculation is maintained within said casing.
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Accused Products
Abstract
In a laser device designed according to the gas transport or convection principle, the division into parts with different functions is replaced by complete integration of the different functions. In the case of an axial flow laser, the laser tube can be designed as a cooled tube and arranged concentrically inside of a circulation turbine.
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Citations
13 Claims
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1. A laser apparatus, for convection gas cooling including a casing enclosing a gas circulation and excitation system, comprising:
- a laser tube;
a pair of electrodes in said laser tube; a circulation turbine disposed concentrically about said laser tube;
said circulation turbine, during rotation of said circulation turbine causing said gas to flow in a predetermined direction through said laser tube, whereby gas recirculation is maintained within said casing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13)
- a laser tube;
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8. The laser apparatus as claimed in claim 28 wherein the sliding seal consists of a magnetic fluid which is introduced into a U-shaped magnet where it is retained.
Specification