a high gain ho 3+ /tm 3+ /yb 3+ Co-doped silica fiber and its preparation method

A quartz fiber, high gain technology, applied in the field of optical fibers, can solve the problems of low unity gain and low solubility of rare earth ions in quartz fibers, and achieve the effects of high damage resistance threshold power, low unity gain, and low fiber impurity concentration.

Active Publication Date: 2021-11-02
宏安集团有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional silica fiber uses silica glass as the matrix. Due to the relatively regular network structure of silica glass, the solubility of rare earth ions is low, and the unit gain of the silica fiber in the 2.0 μm band is low.

Method used

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  • a high gain ho <sup>3+</sup> /tm <sup>3+</sup> /yb <sup>3+</sup> Co-doped silica fiber and its preparation method
  • a high gain ho <sup>3+</sup> /tm <sup>3+</sup> /yb <sup>3+</sup> Co-doped silica fiber and its preparation method
  • a high gain ho <sup>3+</sup> /tm <sup>3+</sup> /yb <sup>3+</sup> Co-doped silica fiber and its preparation method

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Experimental program
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Effect test

Embodiment 1

[0033] The present invention provides a high gain HO 3+ / TM 3+ / YB 3+ A common-doped-doped-doped fiber, which includes the following steps:

[0034] Step (1): The raw materials of the core layer, the inner clad layer, and the outer clad layer are referred to, respectively, as shown in Table 1;

[0035] Step (2): With oxygen as a carrier gas, uniformly flow into the quartz tube, and deposit the preform outer cladding in the surface of the quartz pipe in the surface of the quartz tube in the quartz pipe.

[0036] Step (3): With oxygen and helium as a carrier gas, uniformly insert the inner cladding raw material into the quartz tube, uniformly deposited on the inner surface of the preformed outer cladding of the deposited rod in step (2);

[0037] Step (4): With oxygen and helium as carrier gas, the raw materials of the core layer are uniformly flowed into the quartz tube, and the improved chemical vapor deposition is used and the chelate doping technique is bonded, pre-deposited i...

Embodiment 2

[0044] The present invention provides a high gain HO 3+ / TM 3+ / YB 3+ A common-doped-doped-doped fiber, which includes the following steps:

[0045] Step (1): According to the percentage of mass, the raw materials of the core layer, the inner clad layer, and the outer classes are respectively referred to, as shown in Table 2;

[0046] Step (2): With oxygen as a carrier gas, uniformly flow into the quartz tube, and deposit the preform outer cladding in the surface of the quartz pipe in the surface of the quartz tube in the quartz pipe.

[0047] Step (3): With oxygen and helium as a carrier gas, uniformly insert the inner cladding raw material into the quartz tube, uniformly deposited on the inner surface of the preformed outer cladding of the deposited rod in step (2);

[0048] Step (4): With oxygen and helium as carrier gas, the raw materials of the core layer are uniformly flowed into the quartz tube, and the improved chemical vapor deposition is used and the chelate doping tec...

Embodiment 3

[0055] The present invention provides a high gain HO 3+ / TM 3+ / YB 3+ A common-doped-doped-doped fiber, which includes the following steps:

[0056] Step (1): According to the mass percentage, the raw material of the core layer, the inner clad layer, the outer classes, as shown in Table 3;

[0057] Step (2): With oxygen as a carrier gas, uniformly flow into the quartz tube, and deposit the preform outer cladding in the surface of the quartz pipe in the surface of the quartz tube in the quartz pipe.

[0058] Step (3): With oxygen and helium as a carrier gas, uniformly insert the inner cladding raw material into the quartz tube, uniformly deposited on the inner surface of the preformed outer cladding of the deposited rod in step (2);

[0059] Step (4): With oxygen and helium as carrier gas, the raw materials of the core layer are uniformly flowed into the quartz tube, and the improved chemical vapor deposition is used and the chelate doping technique is bonded, pre-deposited in st...

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Abstract

The present invention provides a high gain Ho 3+ /Tm 3+ /Yb 3+ Co-doped silica optical fiber and its preparation method, which solve the technical problems of low solubility of rare earth ions in traditional silica optical fiber and low unit gain of 2.0 μm band silica optical fiber. Made from the following raw materials in terms of mass percentage: Ho(tmhd) 3 : 0.1~0.5%; Tm(tmhd) 3 : 0.5~1.8%; Yb(tmhd) 3 : 1.0~2.7%; SiCl 4 : 40~60%; GeCl 4 : 8~25%; SiF 4 : 5~9%; POCl 3 : 8~12%; AlCl 3 : 3~10%; BiCl 3 : 3~10%; the inner cladding is made of the following raw materials according to the mass percentage: Tm(tmhd) 3 : 0.5~3.0%; Yb(tmhd) 3 : 1.0~3.0%; SiCl 4 : 45~55%; GeCl 4 : 15~25%; SiF 4 : 5~10%; POCl 3 : 7~11%; AlCl 3 : 5~8%; BiCl 3 : 3~5.5%; the invention also discloses a high gain Ho 3+ /Tm 3+ /Yb 3+ The preparation method of the co-doped silica optical fiber can be widely used in the field of optical fiber technology.

Description

Technical field [0001] The present invention relates to the field of fiber optic fibers, and specific relates to a high gain HO 3+ / TM 3+ / YB 3+ Co-doped insert fiber and preparation method thereof. Background technique [0002] Fiber is a widely used optical device that is widely used in sensing technology, communication and other fields. Quartz fiber with SIO 2 For the main ingredient, the transmission wavelength range is wide, that is, from near-violent to near infrared, the wavelength range is 0.38 ~ 2.2.1 μm, so the quartz fiber is suitable for transmission of ultraviolet to infrared wavelength signals and energy transmission, in sensing, spectral analysis, process control And laser transmission, laser medical, measurement technology, criminal investigation, information transmission and lighting, etc. are extremely wide. Due to the low absorption of the human tissue, nearly 1.4μm near-infrared radiation is called eye safety radiation, which can be used to free space laser ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C13/04C03B37/018C03B37/025
CPCC03B37/018C03B37/025C03C13/046
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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