A kind of silica optical fiber with excellent light transmission performance and its preparation method

Abstract

A silica optical fiber with excellent light transmission performance and a preparation method thereof, the silica optical fiber is firstly coated with an azobenzene polymer solution on a quartz substrate to obtain a composite quartz, and then coated with a diamond particle solution on the composite quartz Obtain quartz optical fiber; Described azobenzene polymer solution is that azobenzene polymer is dissolved in cyclopentanone and is made into the solution of 25-35mg / mL, and described azobenzene polymer, by molar percentage, mainly consists of Composed of the following components: Isobutyl methacrylate POSS 35‑45%, Trifluoroethyl methacrylate 30‑50%, Azobenzene monomer 6‑[4‑(4‑cyanoazophenyl)benzene Oxy]ethyl methacrylic acid 20‑30%. The silica optical fiber with excellent light transmission performance and the preparation method thereof according to the present invention have reasonable formulation and simple preparation process, and the prepared silica optical fiber has excellent light transmission performance, is easy to produce on a large scale, and has the advantages of easy processing, good toughness, The advantages of high flexibility, higher Young's modulus and thermo-optic coefficient have broad application prospects.

Description

A kind of silica optical fiber with excellent optical transmission performance and preparation method thereof technical field The invention belongs to quartz optical fiber technical field, be specifically related to a kind of quartz optical fiber with excellent optical transmission performance and its preparation method. Background technique [0002] Silica optical fibers are widely used in optical fiber sensors, which have many advantages, such as light weight, anti-electromagnetic Strong interference ability, corrosion resistance, high temperature and high pressure resistance, high degree of equipment integration, in the field of biomedicine, chemical environmental protection, It has been widely used in the field of electric power industry, military field and intelligent application field. At present, with the development of polymer synthesis technology, with respect to the optical fiber made of quartz material, polymer and quartz The combined composite fiber has t...

AI Technical Summary

Problems solved by technology

The prior art polymer-silica composite optical fiber suffers from the problem of phase separation at the interface between the polymer and silica fiber due to the incompatibility between the polymer organic material and the fiber inorganic silica material The problem

The prepared lithium niobate-doped silica fiber structure is a core doped lithium niobate matching structure or an inner cladding doped lithium niobate structure or a core and inner cladding co-doped lithium niobate structure, without polymer organic materials Composite with optical fiber inorganic silica material and improve the compatibility of polymer and quartz and improve the light transmission performance