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Optical fiber bidirectional multi-fire-head control system

A technology of control system and burner, which is applied in the field of laser, can solve the problems of low coupling efficiency of fiber coupler, easy bending and deformation of heated optical fiber, etc., and achieve the effect of stable flame temperature, avoiding bending of optical fiber, and increasing uniform heating

Active Publication Date: 2013-08-07
北京同方华光系统科技有限公司
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  • 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 two-way 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

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Embodiment 1

[0023] Such as figure 1 As shown, the optical fiber two-way fire head control system provided by the embodiment of the present invention includes: an upper fire head 1 and a lower fire head 2 arranged oppositely at the upper and lower sides, and the upper fire head 1 and the lower fire head 2 are all connected to a combustible gas pipeline 8 and a gas-supporting pipeline 9 ; Wherein the combustible gas pipeline 8 passes into the combustible gas 3;

[0024] The combustible gas pipeline 8 and the gas-supporting pipeline 9 are separately connected to the gas flow controller 10 for regulating and controlling the gas flow; The gas control quantities of the gas pipeline 8 and the gas-supporting pipeline 9 are independent of each other and are not affected by each other.

[0025] The lower heating head and the upper heating head heat the optical fiber through the upper and lower directions respectively; figure 1 The direction of the arrow pointing downward in the figure represents ...

Embodiment 2

[0029] Such as image 3 As shown, the difference between the present embodiment and the first embodiment is that the diameter of the nozzle of the lower fire head 2 is larger than that of the top fire head 1 in this embodiment. By adjusting the gas flow controller 10, the gas flow in the combustible gas pipeline 8 and the gas-supporting pipeline 9 in the lower firing head 2 is equal to the gas flow in the combustible gas pipeline 8 and the supporting gas pipeline 9 in the heating head 1 . The gas density ejected from the lower burner 2 and the gas pressure on the optical fiber in the combustion zone 6 are stronger than that of the upper burner, so that the optical fiber in the combustion zone 6 produces an 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 out, so that the optical fiber is placed stably in a horizontal posture, which can effectiv...

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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 upper fire heads and 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 independently. The lower fire heads and the upper fire heads heat an optical fiber upwardly and the downwardly respectively. Controllable gas density adjusting of multiple fire head nozzles allows the to-be-heated optical fiber to get rid of gravity and be placed horizontally, and accordingly 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 effectively. 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 field of laser technology, in particular to an optical fiber two-way fire head control system freed from the constraints of gravity. Background technique [0002] Compared with the traditional fiber laser composition firmware processing, the manufacturing process of fiber coupler is extremely complicated, the technical field involved is relatively wide, and the technical difficulties that need to be overcome are relatively complicated. In the manufacturing process of the fiber coupler, the device that causes the fiber to be melted and coupled by heating is an extremely critical and core component. Today, these components include: Omega rings, bidirectional burners, unidirectional burners, laser heating and irradiation, and other methods. The purpose of these heating methods is to effectively control the heating temperature so that the optical fiber is heated evenly during the process of melting and coupling. Stablize. [...

Claims

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Application Information

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