FIELD: electronics. SUBSTANCE: discharge chamber of gas laser has cathode 1, anode 2, auxiliary electrode 3, igniter 4 and magnetic device 5. Igniter 4 is installed on edge of cathode. Magnetic device is oriented with its lines of force perpendicular to plane of position of cathode and auxiliary electrode. Stream of current of auxiliary discharge breaks off and moves under action of magnetic field along surface of cathode. This is the way pulse-periodic mode of pre-ionization of discharge is implemented. EFFECT: improved operational characteristics of laser. 2 dwg
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Authors
Dates
1995-01-09—Published
1990-10-15—Filed