FIELD: production of quartz mother rods of fiber-optic light conduits. SUBSTANCE: method for production of quartz mother rods for fiber-optic light conduits includes precipitation of layers of fluosilicate shell on interior surface of quartz tube from gas phase in HF-plasma of autospheric pressure by heating tubes up to softening state and building up excessive pressure to obtain the required diameter, application of additional quantity of layers of fluosilicate shell, collapsing tube with circular HF-plasma of atmospheric pressure. EFFECT: higher efficiency. 1 dwg
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