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an er 3+ /yb 3+ /nd 3+ Co-doped near-infrared ultra-broadband emitting tellurite optical fiber glass and preparation method thereof

A tellurite and infrared super technology, applied in the direction of glass manufacturing equipment, manufacturing tools, etc., can solve the problems of narrow bandwidth, poor thermal stability, low luminous intensity, etc., achieve high density, high transition temperature, and improve thermal stability and the effect of near-infrared luminous intensity

Active Publication Date: 2022-08-02
威海长和光导科技有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, currently Er 3+ Single-doped tellurate fiber glass has the problems of poor thermal stability, low luminous intensity, and narrow bandwidth, which cannot meet the requirements of communication development, which greatly limits its application in the field of medium-erbium-doped fiber amplifiers

Method used

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  • an er <sup>3+</sup> /yb <sup>3+</sup> /nd <sup>3+</sup> Co-doped near-infrared ultra-broadband emitting tellurite optical fiber glass and preparation method thereof
  • an er <sup>3+</sup> /yb <sup>3+</sup> /nd <sup>3+</sup> Co-doped near-infrared ultra-broadband emitting tellurite optical fiber glass and preparation method thereof
  • an er <sup>3+</sup> /yb <sup>3+</sup> /nd <sup>3+</sup> Co-doped near-infrared ultra-broadband emitting tellurite optical fiber glass and preparation method thereof

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Effect test

Embodiment 1

[0052] The present invention provides a method for preparing Er 3+ / Yb 3+ / Nd 3+ A method for co-doping near-infrared ultra-broadband emitting tellurite optical fiber glass, comprising the following steps:

[0053] (1) According to the following molar percentages, the following various raw materials were weighed respectively, and the purity of each raw material was 99.99%;

[0054] TeO 2 : 46.39mol%;

[0055] WO 3 : 20mol%;

[0056]ZnO: 20mol%;

[0057] Na 2 CO 3 : 5mol%;

[0058] Ta 2 O 5 : 5mol%;

[0059] Er 2 O 3 : 1 mol%;

[0060] Yb 2 O 3 : 2.5mol%;

[0061] Nd 2 O 3 : 0.11 mol%.

[0062] (2) The raw material obtained in step (1) is put into an agate mortar and ground evenly.

[0063] (3) Put the uniformly ground raw material in step (2) into a corundum crucible, place it in a tube furnace and heat at 920° C. for 40 minutes to obtain molten glass liquid; take out the corundum crucible from the tube furnace, and heat it while it is still hot. The gla...

Embodiment 2

[0069] The present invention provides a method for preparing Er 3+ / Yb 3+ / Nd 3+ A method for co-doping near-infrared ultra-broadband emitting tellurite optical fiber glass, comprising the following steps:

[0070] (1) According to the following molar percentages, the following various raw materials were weighed respectively, and the purity of each raw material was 99.99%;

[0071] TeO 2 : 46.3 mol%;

[0072] WO 3 : 20mol%;

[0073] ZnO: 20mol%;

[0074] Na 2 CO 3 : 5mol%;

[0075] Ta 2 O 5 : 5mol%;

[0076] Er 2 O 3 : 1 mol%;

[0077] Yb 2 O 3 : 2.5mol%;

[0078] Nd 2 O 3 : 0.2mol%;

[0079] (2) The raw material obtained in step (1) is put into an agate mortar and ground evenly.

[0080] (3) Put the uniformly ground raw material in step (2) into a corundum crucible, place it in a tube furnace and heat at 920° C. for 40 minutes to obtain molten glass liquid; take out the corundum crucible from the tube furnace, and heat it while it is still hot. The glas...

Embodiment 3

[0086] The present invention provides a method for preparing Er 3+ / Yb 3+ / Nd 3+ A method for co-doping near-infrared ultra-broadband emitting tellurite optical fiber glass, comprising the following steps:

[0087] (1) According to the following molar percentages, the following various raw materials were weighed respectively, and the purity of each raw material was 99.99%;

[0088] TeO 2 : 46.8 mol%;

[0089] WO 3 : 20mol%;

[0090] ZnO: 20mol%;

[0091] Na 2 CO 3 : 5mol%;

[0092] Ta 2 O 5 : 5mol%;

[0093] Er 2 O 3 : 0.5mol%;

[0094] Yb 2 O 3 : 2.4mol%;

[0095] Nd 2 O 3 : 0.3 mol%;

[0096] (2) The raw material obtained in step (1) is put into an agate mortar and ground evenly.

[0097] (3) Put the uniformly ground raw material in step (2) into a corundum crucible, place it in a tube furnace and heat at 950° C. for 40 minutes to obtain molten glass liquid; take out the corundum crucible from the tube furnace, and heat it while it is still hot. The gl...

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Abstract

The present invention provides an Er 3+ / Yb 3+ / Nd 3+ Co-doped near-infrared ultra-broadband emission tellurate optical fiber glass and preparation method thereof, which solve the problem of the prior art Er 3+ The single-doped tellurite optical fiber glass has the technical problems of poor thermal stability, low luminous intensity and narrow bandwidth. According to the mole percentage, Er 3+ / Yb 3+ / Nd 3+ The co-doped near-infrared ultra-broadband emitting tellurite fiber glass includes the following raw materials: TeO 2 : 46.3~47mol%; WO 3 : 20 mol%; ZnO: 20 mol%; Na 2 O: 5 mol%; Ta 2 O 5 : 5mol%; Er 2 O 3 : 0.5~1mol%; Yb 2 O 3 : 2.1~2.5mol%; Nd 2 O 3 : 0.11~0.4mol%, the present invention also discloses Er 3+ / Yb 3+ / Nd 3+ The preparation method of the co-doped near-infrared ultra-wideband emitting tellurite optical fiber glass can be widely used in the field of optical fiber communication materials.

Description

technical field [0001] The invention belongs to the field of optical fiber communication materials, in particular to an Er 3+ / Yb 3+ / Nd 3+ Co-doped near-infrared ultra-broadband emission tellurite optical fiber glass and preparation method thereof. Background technique [0002] In recent years, with the rapid development of optical communication systems and high-speed transmission systems, it is required to expand the gain bandwidth of fiber amplifiers in wavelength division multiplexing (WDM) systems. Therefore, obtaining a wider and more efficient gain bandwidth has always been a research hotspot. . Erbium-Doped Fiber Amplifier (EDFA) is one of the key components for optical communication in WDM network system, Er 3+ Ion-doped tellurite fiber glass plays an important role in the development of EDFA. However, currently Er 3+ Single-doped tellurite fiber glass has the problems of poor thermal stability, low luminous intensity, and narrow bandwidth, which cannot meet t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C13/04C03B37/02C03B37/01
CPCC03C13/048C03B37/01C03B37/02
Inventor 陈卫东王传杰张鹏马飞云张桂林张明立
Owner 威海长和光导科技有限公司