Colored optical fiber and manufacturing method thereof

A technology for coloring optical fibers and coloring layers, applied in the field of optical communication, can solve the problems of easy sticking, the coating layer, the coloring layer and the conjoined layer cannot be peeled off as a whole, and the eye mold is easy to block, and the effect of easy control is achieved.

Inactive Publication Date: 2013-12-25
NANJING WASIN FUJIKURA OPTICAL COMM LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the peeling force of the coating layer of the optical fiber obtained by the current "wet and wet" coating method is 2.2N-3N. Since the peeling force of the coating layer is too large, the optical fiber ribbon obtained after such optical fibers are merged and ribboned will not be hot after stripping. During the process, the coating layer, coloring layer and tie layer cannot be stripped off as a whole, and the stripping efficiency is low
The optical fiber whose coating peeling force is lower than 1N is easy to stick during the production process, and it is easy to block the eye mold during coloring

Method used

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  • Colored optical fiber and manufacturing method thereof
  • Colored optical fiber and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] to combine figure 1 and 2 The present invention is described.

[0021] The preform 2 was heated in the heating furnace 1, and then passed through the cooling barrel 3 to obtain a bare optical fiber. The structure of the bare fiber is the core and the cladding from the inside to the outside. The bare optical fiber passes through the eye mold 4 at a speed of 1500m / min-1800m / min, and the first coating layer and the second coating layer are successively coated in the eye mold. After the bare optical fiber is coated with the first coating layer and the second coating layer, the coating layer is cured by using a UV lamp 7 to obtain a natural-color optical fiber. When the coating layer is cured, the optical fiber passes through four lamps in turn with an illumination of 11 mw / cm 2 UV lamp (D type), curing time 0.17s, after which the optical fiber is wound onto the optical fiber reel through the tension wheel and dancer wheel.

[0022] Coloring treatment: the natural co...

Embodiment 2

[0025] The preform is heated in a heating furnace and then passed through a cooling barrel to obtain a bare optical fiber. The structure of the bare fiber is the core and the cladding from the inside to the outside. The bare optical fiber passes through the eye mold at a speed of 1500m / min to 1800m / min, and the first coating layer and the second coating layer are successively coated in the eye mold. After the bare optical fiber is coated with the first coating layer and the second coating layer, the coating layer is cured with a UV lamp to obtain a natural color optical fiber. When the coating layer is cured, the optical fiber passes through four lamps in turn with an illumination of 12.5 mw / cm 2 UV lamp (D type), curing time 0.16s, after which the optical fiber is wound onto the optical fiber reel through the tension wheel and dancer wheel.

[0026] Coloring treatment: The natural color optical fiber passes through the coloring mold at a speed of 1500m / min~1800m / min, coated...

Embodiment 3

[0028] The preform is heated in a heating furnace and then passed through a cooling barrel to obtain a bare optical fiber. The structure of the bare fiber is the core and the cladding from the inside to the outside. The bare optical fiber passes through the eye mold at a speed of 1500m / min to 1800m / min, and the first coating layer and the second coating layer are successively coated in the eye mold. After the bare optical fiber is coated with the first coating layer and the second coating layer, the coating layer is cured with a UV lamp to obtain a natural color optical fiber. When the coating layer is cured, the optical fiber passes through four lamps in turn with an illumination of 11.5 mw / cm 2 UV lamp (Type D), curing time 0.165s, after which the optical fiber is wound onto the optical fiber reel through the tension wheel and dancer wheel.

[0029] Coloring treatment: The natural color optical fiber passes through the coloring mold at a speed of 1500m / min~1800m / min, coate...

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Abstract

The invention provides a colored optical fiber and a manufacturing method of the colored optical fiber and relates to the field of optical communication. The colored optical fiber is composed of a bare optical fiber, a first coating layer, a second coating layer and a coloring layer from the inner side to the outer side in sequence. The release force of each coating layer of the colored optical fiber is 1.5N-1.8N. The manufacturing method of the colored optical fiber comprises the steps that the bare optical fiber is coated with the first coating layer and the second coating layer in sequence in the same eye model and solidifying disposing and coloring disposing are conducted in sequence. After optical fibers are combined and an optical fiber belt is obtained, the first coating layer, the second coating layer, the coloring layer and a belt combining layer are easy to strip in an integrated mode, and therefore following belt combination and optical cable production are facilitated. Meanwhile, in the process of production of the optical fiber, the optical fiber is not sticky and can not block the eye model. The manufacturing method of the colored optical fiber is simple and easy to control.

Description

technical field [0001] The patent of the present invention relates to the field of optical communication, in particular to a colored optical fiber and a preparation method thereof. Background technique [0002] The colored optical fiber consists of bare optical fiber, coating layer (first coating layer, second coating layer) and colored layer from inside to outside. The first coating layer and the second coating layer are usually photosensitive coatings (UV coatings). Coating peeling force refers to the force of peeling the first coating layer per unit length (50mm) from the cladding, which is used to measure the adhesion between the first coating layer of the optical fiber and the cladding. Optical fiber ribbon is to glue multiple optical fibers together with resin. The coating stripping force of the optical fiber has a great influence on the thermal stripping performance of the optical fiber ribbon. [0003] With the development of the optical communication industry, hi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/02G02B6/036G02B6/44C03C25/48
Inventor 苏中良王小泉董江涛
Owner NANJING WASIN FUJIKURA OPTICAL COMM LTD
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