Optical fiber drawing speed control method, control device and optical fiber drawing system

A control method and wire drawing technology, applied in the field of optical fiber, to achieve the effect of improving stability and avoiding profile distortion

Active Publication Date: 2021-11-16
ZHONGTIAN TECH FIBER OPTICS +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a method for controlling the drawing speed of an optical fiber, a control device, and an optical fiber drawing system, so as to reduce the problem that the drawing speed deviation affects the attenuation, bandwidth and bending resistance of the multimode optical fiber during the preparation process of the multimode optical fiber

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  • Optical fiber drawing speed control method, control device and optical fiber drawing system
  • Optical fiber drawing speed control method, control device and optical fiber drawing system
  • Optical fiber drawing speed control method, control device and optical fiber drawing system

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Embodiment Construction

[0053] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0054] It should be noted that the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of t...

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Abstract

Embodiments of the present invention provide a method for controlling the drawing speed of an optical fiber, a control device, and an optical fiber drawing system, and relate to the field of optical fiber technology. Wherein, the control method of the fiber drawing speed includes: obtaining the diameter of the preform; obtaining the diameter of the annealed fiber body; calculating the current fiber drawing speed according to the feeding speed of the preform, the diameter of the preform and the diameter of the fiber body. The control device for the fiber drawing speed includes: a preform rod diameter acquisition module, an optical fiber body diameter acquisition module and a control module. According to the comparison between the current fiber drawing speed and the target fiber drawing speed, adjust the feeding speed of the preform rod by reducing the difference between the current fiber drawing speed and the target fiber drawing speed, so as to effectively improve the stability of the fiber production process and avoid fiber refraction Distortion of the rate profile, thereby obtaining attenuation, bandwidth and bending resistance close to the design value of the fiber.

Description

technical field [0001] The invention relates to the field of optical fiber technology, in particular to a method for controlling the drawing speed of an optical fiber, a control device and an optical fiber drawing system. Background technique [0002] With the continuous growth of high bandwidth and high speed requirements of the network, optical fiber is widely used in network wiring as a network transmission medium. The common types of optical fiber are single-mode optical fiber and multi-mode optical fiber. Single-mode fiber refers to a fiber that can only transmit one propagation mode at an operating wavelength. Multimode optical fiber refers to the optical fiber whose working wavelength is multi-mode with its possible propagation modes. Since the transmission mode of multimode optical fiber can reach hundreds, the core diameter of multimode optical fiber is thicker than that of single-mode optical fiber, and the numerical aperture is larger. The light source couples mo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03B37/027
CPCC03B37/027C03B37/02718
Inventor 杨郭杰曹珊珊徐海涛油光磊丁春来薛鹏鹏苏海燕许静薛济萍薛驰
Owner ZHONGTIAN TECH FIBER OPTICS
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