As we all know, an optical cable is an optical information transmission medium composed of optical fibers, polymer materials, metal-plastic composite tapes and metal reinforcements.

       The main point of the structure design of the optical cable is to give the optical fiber protection against external mechanical force, temperature change, water action, etc.

       Figure 1 shows the cross-sectional view of the GYTY53+333-layer stranded steel tape longitudinally-wrapped double-layer steel wire armored optical cable with the most types of materials.

Structure diagram of fiber optic cable

       It can be seen from the figure that the layered steel tape longitudinally wrapped double-layer steel wire armored optical cable is composed of optical fibers, polymer materials, corrugated steel-plastic composite tapes, double-layer steel wire armor layers and metal reinforcements.

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