5G forward-transmission wavelength division multiplexing module based on optical fiber array and assembling method of 5G forward-transmission wavelength division multiplexing module

A technology of wavelength division multiplexing and optical fiber array, which is applied in the field of optical fiber communication, can solve the problems that the splitting and multiplexing module cannot meet the demand, and achieve the effects of compact structure, lower cost, and lower coating difficulty

Active Publication Date: 2021-08-13
MINDU INNOVATION LAB +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Therefore, when the existing 4G base stations are basically full, it is necessary to add 5G equipment, and the existing common collimator structure and the splitting and combining module of the cascade scheme structure are difficult to meet the demand.

Method used

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  • 5G forward-transmission wavelength division multiplexing module based on optical fiber array and assembling method of 5G forward-transmission wavelength division multiplexing module
  • 5G forward-transmission wavelength division multiplexing module based on optical fiber array and assembling method of 5G forward-transmission wavelength division multiplexing module
  • 5G forward-transmission wavelength division multiplexing module based on optical fiber array and assembling method of 5G forward-transmission wavelength division multiplexing module

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Effect test

Embodiment 1

[0044] refer to Image 6 , a 5G fronthaul wavelength division multiplexing module based on an optical fiber array according to Embodiment 1 of the present invention, including a first optical fiber array 21, a first lens 31, and a first wavelength division multiplexing diaphragm 41 arranged in sequence from right to left , the second wavelength division multiplexing film 42 , and the first reflecting film 51 . The first optical fiber array 21 includes a first optical fiber 11 , a second optical fiber 12 , a third optical fiber 13 and a fourth optical fiber 14 . In the first embodiment, the first lens 31 is a self-focusing lens. Wherein the first wavelength division multiplexing membrane 41, the second wavelength division multiplexing membrane 42 and the first reflection sheet 51 are sequentially stacked and pasted on the first lens 31, and the first lens 31 and the first optical fiber array 21 are connected by glue Fixed, the fixed position is a1, a2. The first wavelength d...

Embodiment 2

[0050] see Figure 7 , a 5G fronthaul wavelength division multiplexing module based on an optical fiber array according to Embodiment 2 of the present invention, including a first optical fiber array 21, a second lens 32, and a first wavelength division multiplexing diaphragm arranged in sequence from right to left 41 , the second wavelength division multiplexing diaphragm 42 , the first reflection sheet 51 , and the glass tube 61 . The first optical fiber array 21 includes a first optical fiber 11 , a second optical fiber 12 , a third optical fiber 13 and a fourth optical fiber 14 . In the second embodiment, the second lens 32 is a ball lens. Since the second lens 32 is a ball lens, the first wavelength division multiplexing diaphragm 41 cannot be directly attached to the second lens 32, and the glass tube 61 needs to be placed on the second lens 32 first, and then the first wavelength division multiplexing The diaphragm 41 is attached to the surface of the glass tube 61 . ...

Embodiment 3

[0055] see Figure 8 , a 5G fronthaul wavelength division multiplexing module based on an optical fiber array according to Embodiment 3 of the present invention, including a second optical fiber array 22, a third lens 33, and a first wavelength division multiplexing diaphragm 41 arranged in sequence from right to left , the second wavelength division multiplexing membrane 42 , the third wavelength division multiplexing membrane 43 , the fourth wavelength division multiplexing membrane 44 , the fifth wavelength division multiplexing membrane 45 , and the second reflector 52 . The second optical fiber array 22 includes a first optical fiber 11 , a second optical fiber 12 , a third optical fiber 13 , a fourth optical fiber 14 , a fifth optical fiber 15 , a sixth optical fiber 16 and a seventh optical fiber 17 . In the third embodiment, the third lens 33 is a self-focusing lens. Wherein the first, second, third, fourth, and fifth wavelength division multiplexing diaphragms and th...

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Abstract

The invention relates to a 5G frontward-transmission wavelength division multiplexing module based on an optical fiber array and an assembling method of the 5G forward-transmission wavelength division multiplexing module. The 5G frontward-transmission wavelength division multiplexing module comprises the optical fiber array, a lens, a first wavelength division multiplexing diaphragm, a second wavelength division multiplexing diaphragm and a reflector plate which are sequentially arranged from right to left. The first wavelength division multiplexing diaphragm, the second wavelength division multiplexing diaphragm and the reflector plate are sequentially overlapped, pasted and fixed on the lens, and the lens and the optical fiber array are connected and fixed through glue. The method is characterized in that according to the lens imaging spherical aberration principle of an optical system, the function of multi-wavelength wavelength division multiplexing and demultiplexing is realized by adopting a structure that an optical fiber array, a wavelength division multiplexing diaphragm and a reflector plate are overlapped and pasted on a single lens. Therefore, the 5G forward-transmission wavelength division multiplexing module based on the optical fiber array provided by the invention has the advantages of flexible configuration, very compact structure, ultra-small volume, low cost and the like, is suitable for limited base station space, and is convenient for application of optical modules in a 5G network machine room and a base station.

Description

technical field [0001] The invention relates to the technical field of optical fiber communication, in particular to a 5G fronthaul wavelength division multiplexing module based on an optical fiber array and an assembly method thereof in the technical field of optical fiber communication. Background technique [0002] Due to the rapid development of optical fiber communication, as the demand for transmission capacity increases, it is directly required to maximize the width of the optical fiber. Optical wavelength division multiplexing technology is to multiplex the optical modulation signals of different optical wavelengths into one optical fiber for transmission according to the optical wavelength. It can also decompose the multi-wavelength optical modulation signals transmitted in the same optical fiber into individual wavelengths and output them separately. It is one of the most effective solutions to increase the capacity of optical fiber communication. Therefore, it ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/293G02B6/32
CPCG02B6/293G02B6/2938G02B6/29389G02B6/322G02B6/32
Inventor 蒋友山吴玉霞
Owner MINDU INNOVATION LAB
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