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A near-infrared band broadband emission rare earth doped bismuthate optical fiber glass and its preparation method

A technology of rare earth doping and bismuth salts, which is applied in glass manufacturing equipment, glass molding, manufacturing tools, etc., can solve the problem of narrow spectral amplification bandwidth in the near-infrared band, limited gain range, and the amplification range cannot cover optical signal transmission Issues such as the lowest loss zone and zero dispersion zone achieve the effects of excellent physical and chemical properties, simple preparation process, and less equipment

Active Publication Date: 2021-08-31
宏安集团有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, for a given glass matrix, under the excitation of a single pump light, the currently obtained near-infrared spectrum has a phenomenon of small amplification bandwidth or limited gain range, which leads to the fact that its amplification range cannot cover the lowest point of optical signal transmission. Loss region (1.5μm) and zero dispersion region (1.3μm), which also limit the application of rare earth doped glass in optical fiber communication

Method used

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  • A near-infrared band broadband emission rare earth doped bismuthate optical fiber glass and its preparation method
  • A near-infrared band broadband emission rare earth doped bismuthate optical fiber glass and its preparation method

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Effect test

Embodiment 1

[0027] The present invention provides a near-infrared band broadband emission rare earth doped bismuth salt optical fiber glass, which comprises the following steps:

[0028] (1) According to molar percentage, take each raw material respectively: Bi of 75mol% 2 o 3 , 19mol% B 2 o 3 , 4.4 mol% Na 2 O, 0.3 mol% Er 2 o 3 , 1.0mol% Yb 2 o 3 , 0.3mol% Pr 6 o 11 , for standby; wherein, the mass percent purity of each raw material is required to be 99.99%.

[0029] (2) Fully grind and mix the raw materials weighed in step (1), pour them into a corundum crucible, and place them in a high-temperature furnace at 1050° C. for 1 hour to obtain a glass solution.

[0030] (3) Take out the corundum crucible containing the glass solution from the high-temperature furnace, and quench and form it on a pre-heated graphite mold to obtain a glass sheet; wherein, the temperature of the pre-heated graphite mold is 300°C.

[0031] (4) Put the graphite mold poured with glass solution into t...

Embodiment 2

[0034] The present invention provides a near-infrared band broadband emission rare earth doped bismuth salt optical fiber glass, which comprises the following steps:

[0035] (1) According to molar percentage, take each raw material respectively: Bi of 75mol% 2 o 3 , 19mol% B 2 o 3 , 4.5 mol% Na 2 O, 0.3 mol% Er 2 o 3 , 1.0mol% Yb 2 o 3 , 0.2mol% Pr 6 o 11 , for standby; wherein, the mass percent purity of each raw material is required to be 99.99%.

[0036] (2) Fully grind and mix the raw materials weighed in step (1), pour them into a corundum crucible, and place them in a high-temperature furnace at 1050° C. for 1 hour to obtain a glass solution.

[0037] (3) Take out the corundum crucible containing the glass solution from the high-temperature furnace, and quench and form it on a pre-heated graphite mold to obtain a glass sheet; wherein, the temperature of the pre-heated graphite mold is 300°C.

[0038] (4) Put the graphite mold poured with glass solution into t...

Embodiment 3

[0041] The present invention provides a near-infrared band broadband emission rare earth doped bismuth salt optical fiber glass, which comprises the following steps:

[0042] (1) According to mole percentage, take each raw material respectively: Bi of 74mol% 2 o 3 , 20mol% B 2 o 3 , 4mol% Na 2 O, 0.4 mol% Er 2 o 3 , 1.2mol% Yb 2 o 3 , 0.4mol% Pr 6 o 11 , for standby; wherein, the mass percent purity of each raw material is required to be 99.99%.

[0043] (2) Fully grind and mix the raw materials weighed in step (1), pour them into a corundum crucible, and place them in a high-temperature furnace at 1080°C for 1 hour to melt to obtain a glass solution.

[0044] (3) Take out the corundum crucible containing the glass solution from the high-temperature furnace, and quench and form it on a pre-heated graphite mold to obtain a glass sheet; wherein, the temperature of the pre-heated graphite mold is 300°C.

[0045] (4) Put the graphite mold poured with glass solution into...

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Abstract

The invention provides a near-infrared band broadband emission rare earth-doped bismuthate optical fiber glass and its preparation method, which solves the problem of the near-infrared band obtained under the excitation of a single pump light for a given glass matrix. Spectrum has the technical problem that the amplification bandwidth range is small or the gain range is limited. According to the molar percentage, the bismuth salt optical fiber glass includes the following raw materials: 74-75 mol% Bi 2 o 3 , 19-20mol% B 2 o 3 , 4~5mol% Na 2 O, 0.3~0.5mol% Er 2 o 3 , 0.8~1.2mol% Yb 2 o 3 , 0.2~0.4mol% of Pr 6 o 11 , the invention also discloses a preparation method of rare earth-doped bismuthate optical fiber glass for broadband emission in the near-infrared band, which can be widely used in the field of optical fiber communication materials.

Description

technical field [0001] The application belongs to the field of optical fiber communication materials, and in particular relates to a near-infrared band broadband emission rare earth doped bismuthate optical fiber glass and a preparation method thereof. Background technique [0002] Rare-earth-doped optical fiber amplifier is the most mature and widely used optical amplifier at present. It uses the energy level transition of rare-earth ions doped in the optical amplifier transmission medium to convert the light energy pumped by laser diode (LD) into On the signal light, it realizes the amplification function of the signal light. Doping with different rare earth ions can realize the amplification of optical signals in different bands. Among them, the operating wavelength of the erbium-doped fiber amplifier is located in the C-band (1530-1565nm), which corresponds to the lowest loss region of the optical fiber. This band was first used in optical fiber communication. For the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C13/04C03C4/00C03C3/15C03B19/00C03B19/02
CPCC03B19/00C03B19/02C03C3/15C03C4/00C03C13/04
Inventor 陈卫东王传杰张鹏魏敏张桂林张明立
Owner 宏安集团有限公司
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