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Composite optical fiber based on fluorescence detection system, and preparation method thereof

A technology of composite fiber and fiber core, which is used in cladding fiber, optical waveguide light guide, testing optical performance, etc.

Inactive Publication Date: 2021-07-06
HANGZHOU ANYU TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the development of society and the progress of material processing technology, the traditional quartz glass optical fiber can no longer meet more and more different requirements in people's use.

Method used

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  • Composite optical fiber based on fluorescence detection system, and preparation method thereof
  • Composite optical fiber based on fluorescence detection system, and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The raw material components of an optical fiber core layer material include, by weight, 92 parts of methyl methacrylate, 6 parts of tetramethrin, 1 part of initiator, and 1 part of n-butyl mercaptan.

[0027] A kind of preparation of optical fiber core layer material:

[0028] Fetetramethrin, methyl methacrylate, initiator and n-butyl mercaptan are fed into the reaction bottle of the pre-polymerization device according to a certain ratio, stirred evenly and heated to 80°C, and the pre-polymerized core material is poured into the In the mold cavity of the rod mold, react at constant temperature for 42 hours, then heat to 100°C and continue polymerization for 10 hours to obtain modified polymethyl methacrylate rods.

[0029] Preparation of a composite optical fiber:

[0030] The fiber core material is prepared by melting and pouring method, putting selenium powder into a quartz tube with a diameter of 3mm, heating it with a flame gun, turning the powder into a liquid, an...

Embodiment 2

[0033] The raw material components of an optical fiber core layer material include, by weight, 90 parts of methyl methacrylate, 8 parts of tetramethrin, 0.8 parts of initiator, and 1.2 parts of n-butyl mercaptan.

[0034] The preparation of the above optical fiber core layer material is the same as that in Example 1.

[0035] The preparation of a composite optical fiber is the same as in Example 1.

Embodiment 3

[0037] The raw material components of an optical fiber core layer material include, by weight, 88 parts of methyl methacrylate, 5 parts of tetramethrin, 0.5 parts of initiator, and 0.8 parts of n-butyl mercaptan.

[0038] The preparation of the above optical fiber core layer material is the same as that in Example 1.

[0039] The preparation of a composite optical fiber is the same as in Example 1.

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Abstract

The invention discloses a composite optical fiber based on a fluorescence detection system, and a preparation method thereof, and relates to the technical field of composite optical fiber materials. The composite optical fiber comprises: a fiber core rod, wherein the material component of the fiber core rod comprises semiconductor selenium powder; and a fiber core layer, wherein the material of the fiber core layer comprises tetramethrin modified polymethyl methacrylate. The preparation method specifically comprises the following steps: preparing the fiber core rod by adopting a melting pouring method; preparing a composite optical fiber, namely grinding and polishing a modified polymethyl methacrylate bar according to a size requirement; then processing a cylindrical hole in the rod, selecting the fiber core rod with a proper size, and filling the modified polymethyl methacrylate rod tube with the fiber core rod to obtain a composite preform rod; and then carrying out vacuum consolidation at 170-180 DEG C for 1-1.5 h, placing on a standard drawing tower, and drawing to obtain the composite optical fiber. The prepared composite optical fiber is excellent in mechanical property, good in heat resistance and low in water absorption; and the optical transmittance is good, the loss is low, and the application range is widened.

Description

technical field [0001] The invention belongs to the technical field of composite optical fiber materials, and in particular relates to a composite optical fiber based on a fluorescence detection system and a preparation method thereof. Background technique [0002] Optical fiber is a light transmission tool achieved by the principle of total reflection. The invention of optical fiber has significantly changed the way of life of human beings. At present, optical fibers have been widely used in fields such as biomedicine, industrial detection and intelligent manufacturing. Although optical fibers have a very wide range of applications in different fields, they are very simple from the perspective of material composition, and most optical fibers in use today are made of silica glass. Although it is also prepared from other glasses or polymers, silica glass is still the main raw material for the production of optical fibers. With the development of society and the progress of...

Claims

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Application Information

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IPC IPC(8): C08F220/14C08F220/68C08F232/06G02B6/02G01M11/02G01N3/20
CPCC08F220/14G02B6/02G01M11/0228G01N3/20C08F220/68C08F232/06
Inventor 章贤骏凌建鸿翟致超林科
Owner HANGZHOU ANYU TECH CO LTD
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