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A method for manufacturing a large-section high-resolution flexible optical fiber image transmission bundle

An optical fiber image beam, high-resolution technology, used in manufacturing tools, beam optical fibers, glass manufacturing equipment, etc. It can improve the efficiency and uniformity of dissolution, improve the resolution of image transmission, and not easy to break the wire.

Active Publication Date: 2022-02-25
NANJING CHUNHUI SCI & TECH IND
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the disadvantage of this patent is that the monofilaments in the optical fiber array unit are fused together, resulting in poor flexibility of the image bundle. If broken, dozens of monofilaments in the entire array will break, resulting in a large loss of information; Secondary multifilaments increase the probability of fiber damage
[0007] To sum up, the existing large-section image beam adopts the lamination process, and there are technical problems that high resolution cannot be achieved; the acid-dissolving method has problems with poor softness of the image beam, single-filament transmittance after multiple wire drawing, and low Contrast drop problem

Method used

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  • A method for manufacturing a large-section high-resolution flexible optical fiber image transmission bundle
  • A method for manufacturing a large-section high-resolution flexible optical fiber image transmission bundle
  • A method for manufacturing a large-section high-resolution flexible optical fiber image transmission bundle

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Embodiment approach 1

[0035] All raw materials used in the examples are commercially available;

[0036] The cross-sectional size means: when the cross-section is circular, the cross-sectional size refers to the diameter of the circular cross-section; when the cross-section is a regular polygon, the cross-sectional size refers to the distance between two opposite sides.

[0037] refer to Figure 1 ~ Figure 4 , the present embodiment provides a method for manufacturing a large-section high-resolution flexible optical fiber image transmission bundle, comprising the following steps:

[0038] S1. Wire drawing: add the shaft core glass rod, skin glass rod and acid-soluble layer glass rod into a three sets of crucibles and heat and melt at the same time. The three sets of crucibles are placed in an electric furnace, and the furnace temperature is controlled at 1100-1200 ° C. The temperature is 800-1000°C, and three layers of coaxial optical fiber monofilaments 10 are drawn at the mouths of three sets of...

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Abstract

The invention discloses a method for manufacturing a large cross-section and high-resolution flexible optical fiber image transmission bundle. An optical fiber monofilament with two claddings is drawn by a three-crucible or rod-tube method. The rigid optical fiber image transmission unit body with a regular polygonal cross-section is drawn by wire drawing, and the hard optical fiber image transmission bundle with a large cross-section is obtained after the second wire arrangement of the unit body, and the hard optical fiber image transmission bundle is thermally fused at the end Afterwards, the middle part is placed in an acid solution to dissolve the acid-soluble layer to obtain a flexible optical fiber image transmission bundle. Using the manufacturing method of the present invention can produce a circular section or a regular polygonal section, the size of the regular hexagonal section is 8.8 mm, the size of the square section is more than 5 mm, the length can reach 6 meters, and the resolution can reach up to 191 lp / mm. High resolution flexible fiber optic imaging bundle.

Description

technical field [0001] The invention relates to the field of optical fiber technology, in particular to a method for manufacturing a large-section high-resolution flexible optical fiber image transmission bundle. Background technique [0002] The flexible optical fiber image transmission bundle is an optical element that can transmit images by arranging a plurality of multi-component glass optical fibers of a certain length into a bundle, with one-to-one correspondence at both ends. Its working principle is: the light propagates in the high refraction core material glass, and forms total reflection at the low refraction skin glass interface, and each single filament of the optical fiber bundle constitutes a pixel, and the size of the pixel is equal to the size of the fiber cross section , the number of pixels is equal to the total number of optical fibers in the image bundle, and the text or image on the working end face is transmitted to the receiving end face through the o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B6/06C03B37/028
CPCG02B6/06C03B37/028
Inventor 孙磊殷志东王蓉张健明常宇辉陆鑫
Owner NANJING CHUNHUI SCI & TECH IND
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