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Laser apparatus

  • US 4,504,954 A
  • Filed: 05/28/1982
  • Issued: 03/12/1985
  • Est. Priority Date: 05/29/1981
  • Status: Expired due to Fees
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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