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Optical fiber bidirectional multi-fire-head control system

A control system and flame head technology, applied in the field of lasers, can solve the problems of easy bending deformation, low coupling efficiency of fiber couplers, etc., and achieve the effects of uniform heating, stable flame temperature, and avoiding fiber bending.

Active Publication Date: 2014-12-31
北京同方华光系统科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is how to provide an optical fiber bidirectional multi-fire head control system to overcome the defect in the prior art that the heated optical fiber is easily bent and deformed, resulting in low coupling efficiency of the optical fiber coupler

Method used

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  • Optical fiber bidirectional multi-fire-head control system
  • Optical fiber bidirectional multi-fire-head control system
  • Optical fiber bidirectional multi-fire-head control system

Examples

Experimental program
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Embodiment 1

[0023] like figure 1 As shown in the figure, the optical fiber bidirectional multi-burner control system provided by the embodiment of the present invention includes: a plurality of upper burners 1 and a plurality of lower burners 2 arranged oppositely at the top and bottom, and each of the upper burners 1 and the lower burner 2 is connected to a combustible gas The pipeline 8 and the combustible gas pipeline 9; the combustible gas 3 is introduced into the combustible gas pipeline 8; the combustible gas 4 is introduced into the combustible gas pipeline 9.

[0024] The combustible gas pipeline 8 and the combustion-supporting gas pipeline 9 are respectively connected to a gas flow controller 10 for regulating the gas flow; the combustible gas pipeline 8 and the gas-supporting gas pipeline 9 are individually regulated by their respective gas flow controllers 10, so that the combustible gas The gas regulation quantities of the pipeline 8 and the combustion-supporting gas pipeline ...

Embodiment 2

[0029] like image 3 As shown, the difference between this embodiment and the first embodiment is that the nozzle diameter of the lower burner 2 is set larger than that of the upper burner 1 in this embodiment. By adjusting the gas flow controller 10 , the gas flow in the combustible gas pipeline 8 and the combustion-supporting gas pipeline 9 in the lower burner 2 is equal to the gas flow in the combustible gas pipeline 8 and the gas-supporting gas pipeline 9 in the upper burner 1 . The density of the gas ejected by the lower burner 2 and the gas pressure on the optical fibers in the combustion zone 6 are stronger than those of the upper burner, so that the optical fibers in the combustion zone 6 generate upward force. At the same time, due to the downward gravity of the optical fiber itself, the optical fiber subjected to the upward force and its own downward gravity cancel each other, so that the optical fiber is stably placed in a horizontal posture, which can effectively a...

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Abstract

The invention relates to the technical field of laser, in particular to an optical fiber bidirectional multi-fire-head control system for getting rid of gravity. The control system comprises a plurality of upper fire heads and a plurality of lower fire heads which are opposite. Each upper fire head and each lower fire head are communicated into a flammable gas pipeline and a combustion-supporting gas pipeline. The flammable gas pipeline and the combustion-supporting gas pipeline are respectively connected to a gas flow controller. The lower fire heads and the upper fire heads heat an optical fiber upwardly and the downwardly respectively. By the control system, the optical fiber can be stably placed horizontally, and the problem of severe deformation such as optical fiber bending caused by self-gravity of the optical fiber during manufacturing of an optical fiber coupler is solved. Controllable gas density adjusting of multiple fire head nozzles allows flame temperature in a combustion area to be relatively stable, the to-be-heated optical fiber remains in a stable temperature field always, and accordingly the optical fiber in the combustion area is heated evenly, and coupling efficiency of optical fiber couplers is improved.

Description

technical field [0001] The invention relates to the technical field of lasers, in particular to an optical fiber bidirectional multi-burner control system that is free from gravity constraints. Background technique [0002] Compared with the traditional fiber laser component firmware processing, the production process of the fiber coupler is extremely complicated, the technical fields involved are relatively wide, and the technological difficulties to be overcome are relatively complicated. In the production process of fiber optic coupler, the device that heats the fiber to melt and couple is an extremely critical and core component. Today, these components include: omega ring, bidirectional fire head, unidirectional fire head, using laser heating and irradiation methods. The purpose of these heating methods is how to effectively control the heating temperature so that the fiber is heated evenly during the melting and coupling process. Stablize. [0003] In the prior art, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B6/255
Inventor 闫平肖起榕陈霄巩马理
Owner 北京同方华光系统科技有限公司
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