FIELD: quantum electronics.
SUBSTANCE: invention relates to quantum electronics and can be used for production of gas-discharge devices, particularly cold cathodes of one-piece gas lasers. Cold cathode of gas laser and composite anode is installed in resonator of annular laser, is soldered to vacuum station, forming a glow discharge of direct current between the composite anode and a cold cathode and performing ion etching and oxidation of the cold cathode for the purpose of training and stabilizing the working properties of the cold cathode, wherein material of cold cathode used is alloy A1 D16, and ion etching and oxidation of cold cathode is carried out at pressure of 170 Pa in oxygen for ten overflows for five minutes with total current at cold cathode 8 mA.
EFFECT: wider field of use of the method in order to provide high stability of characteristics of the cathode during operation of mono-block gas lasers.
1 cl, 2 dwg
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