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Diamagnetic glass system components of single-mode magneto-optic glass fiber core and shell and preparation

A technology of magneto-optical glass and optical fiber core, which is applied to the composition field of single-mode magneto-optical optical fiber core and shell glass, and achieves the effects of high optical transmittance, low-cost raw materials, and good magneto-optical Field constant.

Active Publication Date: 2018-05-04
HENAN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These stringent requirements are a great challenge to the material selection of diamagnetic optical fiber

Method used

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  • Diamagnetic glass system components of single-mode magneto-optic glass fiber core and shell and preparation
  • Diamagnetic glass system components of single-mode magneto-optic glass fiber core and shell and preparation
  • Diamagnetic glass system components of single-mode magneto-optic glass fiber core and shell and preparation

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Experimental program
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Effect test

Embodiment 1

[0024] The system is based on tellurium oxide and lead oxide glass network bodies, and a small amount of boron oxide and silicon oxide is used to stabilize the glass structure and improve glass performance parameters. Among them, the components of magneto-optical glass fiber core glass and shell glass are: 45%PbO -50%Bi 2 o 3 -5%B 2 o 3 (mol%) and 55%PbO -30%Bi 2 o 3 -5%GeO 2 -10%B 2 o 3 (mol%).

[0025] The magneto-optical glass system is prepared by melting and quenching process: the 99.99% chemically pure raw material Bi 2 o 3 , PbO, B 2 o 3 or / and GeO 2 Calculate the mass ratio according to the molar ratio, weigh 30 grams of each sample and evenly stir each powder, then transfer the powder into a platinum crucible, heat it to 1000 ° C in a muffle furnace and keep it for 60 minutes, and cast it quickly to 200°C preheated brass abrasive tool and transferred to the annealing furnace to anneal at 5°C per minute to 300°C for annealing for 1 hour, then lowered to ...

Embodiment 2

[0032] The system is based on tellurium oxide and lead oxide glass network bodies, and a small amount of boron oxide and silicon oxide is used to stabilize the glass structure and improve glass performance parameters. Among them, the components of magneto-optical glass fiber core glass and shell glass are: 50%PbO -45%Bi 2 o 3 -5%B 2 o 3 (mol%) and 60%PbO -30%Bi 2 o 3 -5%GeO 2 -5%B 2 o 3 (mol%).

[0033] The magneto-optical glass system is prepared by melting and quenching process: the 99.99% chemically pure raw material Bi 2 o 3 , PbO, B 2 o 3 or / and GeO 2 Calculate the mass ratio according to the molar ratio, weigh 30 grams of each sample, weigh and evenly stir each powder, then transfer the powder into a platinum crucible, heat it to 1000°C in a muffle furnace and keep it for 60 minutes, and cast it quickly to Preheat the brass abrasive tool at 250°C and transfer it to an annealing furnace at 5°C per minute to 300°C for annealing for 1 hour, then drop to room ...

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Abstract

The invention discloses a diamagnetic glass system for preparing single-mode magneto-optic glass fibers. The system is based on a bismuth oxide and lead oxide glass network body, and boron oxide and germanium oxide are used for adjusting and stabilizing the structure and improving performance parameters. Core and shell glass is prepared from components as follows: 40%-55% of PbO, 30%-45% of Bi2O3,5mol%-10mol% of B2O3, 40%-65% of PbO, 30%-35% of Bi2O3, 0%-5% of GeO2 and 5mol%-10mol% of B2O3. The glass is prepared at 900-1000 DEG C with a melt quenching process, the cost is low, the magneto-optical Verdet constant is large and is 0.15-0.16 min / G.cm and is independent of temperature, the ultraviolet visible light transmittance is higher than 80%, the thermal stability is higher than 85 DEG C, and matching indexes of the single-mode fiber core and shell glass of magneto-optical glass to linear thermal expansion coefficient, refractive index and Tg are met.

Description

technical field [0001] The invention relates to the technical field of magneto-optical glass optical fiber, in particular to the composition, preparation and parameter matching of single-mode magneto-optic optical fiber core and shell glass. Background technique [0002] In recent years, with the advancement of photonic and optical technology, the demand for glass-based non-reciprocal magneto-optical effect elements in photonic devices such as optical sensing and optical communication is increasing. Among them, magneto-optical glass with magneto-optical Faraday The advantages of high optical efficiency and being able to be drawn into the form of optical fibers have been widely used in laser optics, optical fiber communication systems, and sensing technologies. For example, rotators, isolators, optical switches, modulators, and magneto-optical current sensors based on the Faraday effect have attracted people's attention due to their advantages such as high precision, fast res...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C13/04
CPCC03C13/048
Inventor 陈秋玲王晖张猛王庆伟马秋花
Owner HENAN UNIVERSITY OF TECHNOLOGY
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