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Coupler and manufacturing method thereof

A manufacturing method and coupler technology, which are applied to the coupling of optical waveguides and other directions, can solve problems such as unfavorable miniaturization of system modules and large volume of system modules, and achieve the effects of good stability, improved utilization, and uniform force.

Active Publication Date: 2014-10-08
ZHUHAI GUANGKU TECH CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the size of the above-mentioned coupler 1 is generally a cylinder with a diameter of 3 mm. In a communication system, it is often necessary to install multiple above-mentioned couplers in a module space, and to split or monitor multi-channel signals through multiple couplers. Due to the need to place Only multiple couplers can meet the demand, which will cause the system module to be larger, which is not conducive to the miniaturization of the system module

Method used

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  • Coupler and manufacturing method thereof
  • Coupler and manufacturing method thereof
  • Coupler and manufacturing method thereof

Examples

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no. 1 example

[0033] refer to image 3 and Figure 5 , image 3 is a cross-sectional view of coupler 2, Figure 5 is a schematic diagram of the structure of the coupler 2. The coupler 2 includes stainless steel tube 21 , silica gel 22 , heat shrinkable tube 23 , semicircular substrate 241 , semicircular substrate 242 , epoxy glue 251 , epoxy glue 252 , optical fiber 261 , optical fiber 262 , optical fiber 263 and optical fiber 264 . The semi-circular substrate 241 and the semi-circular substrate 242 are made of quartz material, and the semi-circular substrate 241 and the semi-circular substrate 242 are inversely fitted with each other to form the quartz substrate in this embodiment, and the optical fiber 261 and the optical fiber 262 form the first optical fiber assembly of this embodiment , the optical fiber 263 and the optical fiber 264 form the second optical fiber assembly of this embodiment, and the heat shrinkable tube 23 is used as the fixing tube of this embodiment.

[0034] ref...

no. 2 example

[0041] On the basis of the first embodiment of the coupler, in addition to using the heat-shrinkable tube 23 as the fixing tube of the first embodiment of the coupler, the fixing tube can also use a quartz tube to fix the semicircular substrates that are under-fitted with each other. Specifically, a quartz tube sleeve is provided, and the length of the quartz tube sleeve is greater than or equal to the quartz substrate. After the quartz tube is sleeved outside the quartz substrate, the dual-curing glue is used for heating and ultraviolet light, and finally forms a solidification, and then effectively The purpose of the present invention can be achieved by fixing the optical fiber assembly. The specific use method and principle of dual-cure adhesive can refer to the paper "Dual-dual-cure curing technology in U-V curing adhesives" published by Wang Tao, a master of Anhui University of Science and Technology in 2007 "Application Research in China".

[0042] Embodiment of coupler...

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Abstract

The invention provides a coupler and a manufacturing method of the coupler. The coupler comprises a quartz substrate, a fixed pipe and a stainless steel pipe, wherein the coupler further comprises two optical fiber assemblies; each optical fiber assembly comprises multiple optical fibers; the multiple optical fibers are melted and tapered; the two optical fiber assemblies are arranged in the quartz substrate; the quartz substrate comprises two semicircular substrates; a through slot is formed in each semicircular substrate along the axial direction; each optical fiber assembly is arranged in each through slot; a space between each through slot and the corresponding optical fiber assembly is filled with epoxy glue; the epoxy glue is positioned on two end parts of the corresponding through slot; each semicircular substrate is provided with end faces extending along the axial direction on two sides of the corresponding through slot; the two semicircular substrates are inversely buckled and matched; the end faces of the two semicircular substrates are adjacent. The invention also discloses the method for manufacturing the coupler. The two optical fiber assemblies are integrated in the same coupler in a high integration manner, and the usability of the space in the coupler is effectively increased.

Description

technical field [0001] The invention relates to the field of optical fiber communication, in particular to a coupler and a manufacturing method of the coupler. Background technique [0002] Optical fiber coupler, also known as splitter, connector or adapter, is a component used to realize optical signal splitting or combining, or to extend optical fiber links. It belongs to the field of optical passive components and is used in telecommunication networks and cable television networks. , user loop system, and local area network will be applied. Optical fiber coupler is a kind of important passive device, and single-mode optical fiber coupler is a kind of passive device that is widely used in optical fiber communication system, optical fiber sensor, optical fiber measurement technology and signal processing system. [0003] At present, the fusion tapered method (FBT) is commonly used at home and abroad to make fiber optic couplers. The fusion tapered method is to bring two or...

Claims

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Application Information

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IPC IPC(8): G02B6/255
Inventor 傅谦潘明晖涂文玉王兴龙张大龙
Owner ZHUHAI GUANGKU TECH CO LTD
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