Multi-core anti-irradiation optical cable and its manufacturing process

Abstract

The invention discloses a multi-core radiation-resistance optical cable and a manufacturing process thereof. The multi-core radiation-resistance optical cable comprises a multi-core reinforcement optical unit, a reinforcement fiber layer and an outer protection layer, wherein the outer portion of the multi-core reinforcement optical unit is wrapped by the reinforcement fiber layer, and the outer portion of the reinforcement fiber layer is wrapped by the outer protection layer; the multi-core reinforcement optical unit is formed by a plurality of optical units with filling cores as core wires in a twisting mode, and each optical unit is wound on the filling cores at a certain twisting pitch and reinforced through finer denier winding yarns; each optical unit is composed of an optical fiber, a high-low temperature resistance coating and a buffer layer, the high-low temperature resistance coating is coated on the outer portion of the optical fiber, and the outer portion of the high-low temperature resistance coating is wrapped by the buffer layer. The multi-core radiation-resistance optical cable and the manufacturing process thereof have the advantages that the external diameter is small, the weight is light, the bending resistance and the light transmission performance are good, the engineering application is easy, and the multiple optical fiber transmission consistency is good. The multi-core radiation-resistance optical cable and the manufacturing process thereof are suitable for high-speed large-volume data transmission in a space navigation environment.

Description

technical field [0001] The invention relates to the field of optical fiber cables, in particular to a multi-core radiation-resistant optical cable for aerospace and a manufacturing process thereof. Background technique [0002] In the spacecraft, optical fiber is used as a medium for high-speed and large-capacity data transmission. It is used for the transmission of external signals, audio, video, etc., which can effectively simplify the design of component structures, reduce load weight and size, and meet the requirements of real-time data transmission. . Integrating multiple optical fibers into a multi-core optical unit through buffer protection, and making a multi-core optical cable after being cabled, will help realize multi-channel parallel transmission of high-speed information transmission equipment in space, and achieve the miniaturization, light weight and high integration of communication equipment Requirements, and can reduce the size of the connector joint, easy...

AI Technical Summary

Problems solved by technology

[0006] The invention provides a multi-core anti-irradiation optical cable and its manufacturing process, which solves the problems of the current multi-core anti-irradiation optical cable with large outer diameter, heavy weight, poor bending resistance and optical transmission performance, inconvenient engineering application and consistent multi-fiber transmission. deficiencies in sex

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