FIELD: production of optical fiber. SUBSTANCE: device for production of optical fiber has furnace for melting of blank of optical fiber with obtaining of uncoated optical fiber, device for application of protective coating, capstan for drawing op optical fiber from optical fiber blank by application of tension force, joining device for fastening of main blank of optical fiber introduced into center of tube of outer coating, and device for control of position for fastening of joining device for supply of main optical fiber connected with tube of outer coating with position control. Method includes simultaneous application of outer coating and drawing of optical fiber. EFFECT: reduced production time and cost. 7 cl, 9 dwg
