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Fiber bragg grating packaging structure and packaging method

A fiber grating and packaging structure technology, applied in the directions of grating fiber, cladding fiber, optical waveguide light guide, etc., can solve the problems of complex packaging process and inability to adjust the stress of fiber grating, so as to reduce the use cost, process difficulty and manufacturing cost. , to achieve the effect of adjustable stress

Pending Publication Date: 2021-07-23
NANKAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to propose a fiber grating packaging structure and packaging method, at least to solve the technical problems of fiber grating stress can not be adjusted and packaging process complexity, etc., at the same time, the packaging structure has the characteristics of compact and reusable, reducing the The cost

Method used

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  • Fiber bragg grating packaging structure and packaging method
  • Fiber bragg grating packaging structure and packaging method
  • Fiber bragg grating packaging structure and packaging method

Examples

Experimental program
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Effect test

Embodiment 1

[0068] refer to figure 1 with figure 2 , the present invention provides a fiber grating packaging structure, including a housing 1, and also includes,

[0069] The fiber grating assembly 10 includes a fixed slider 11, a moving slider 12 and a fiber grating 13, the fixed slider 11 is fixedly connected to one end of the housing 1; the fixed slider 11 and the moving slider 12 Each is provided with an optical fiber installation groove (not shown in the figure), and the fiber grating 13 is respectively fixedly connected to the fixed slider 11 and the movable slider 12 through the optical fiber installation groove;

[0070] A spring 4, the spring 4 is connected with one end of the moving slider 12;

[0071] A differential screw 3 and a fixed frame 2, one end of the differential screw 3 is threadedly connected to the fixed frame 2, the other end of the differential screw 3 is connected to the other end of the movable slider 12, and the fixed frame 2 is connected to At the other e...

Embodiment 2

[0079] refer to image 3 , the present invention also provides a fiber grating packaging method for preparing the packaging structure of the fiber grating 13 as described in embodiment 1, comprising:

[0080] S1: providing housing 1;

[0081] S2: fixing the fixed slider 11 to one end of the housing 1;

[0082] S3: fixing the spring 4 and the moving slider 12 sequentially on the housing 1, the spring 4 is connected to one end of the moving slider 12;

[0083] S4: Fix the fixing frame 2 with the differential screw 3 at the other end of the housing 1, one end of the differential screw 3 is connected with the fixed frame 2, and the other end is connected with the other end of the moving slider 12, by adjusting the differential The screw 3 adjusts the stretching degree of the spring 4 to change the position of the movable slider 12, so that the tension degree of the fiber grating 13 connected between the movable slider 12 and the fixed slider 11 can be adjusted, and the stress of...

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Abstract

The invention discloses a fiber bragg grating packaging structure and packaging method, and belongs to the technical field of fiber packaging, the fiber bragg grating packaging structure comprises a shell and further comprises: a fiber bragg grating assembly, wherein the fiber bragg grating assembly comprises a fixed sliding block, a movable sliding block and a fiber bragg grating, the two ends of the fiber bragg grating are fixedly connected to the fixed sliding block and the movable sliding block respectively, and the fixed sliding block is connected with one end of the shell; an elastic piece which is connected with one end of the movable sliding block; and an adjusting device, wherein one end of the adjusting device is connected to the shell, the other end of the adjusting device is connected with the other end of the movable sliding block, the position of the movable sliding block can be adjusted through the adjusting device, and therefore the stress of the fiber bragg grating is adjusted. The shell is provided with the fiber bragg grating assembly, the elastic piece and the adjusting device, the position of the movable sliding block is changed by adjusting the expansion degree of the elastic piece through the adjusting device, and therefore the tensioning degree of the fiber bragg grating connected between the movable sliding block and the fixed sliding block can be adjusted, and the stress of the fiber bragg grating can be adjusted.

Description

technical field [0001] The invention belongs to the technical field of optical fiber packaging, and more specifically relates to a packaging structure and a packaging method of an optical fiber grating. Background technique [0002] A fiber grating is an optical fiber whose core refractive index is periodically distributed. When a beam of wide-spectrum light passes through a fiber Bragg grating, the wavelengths that meet the Bragg conditions of the fiber Bragg grating will be reflected, and the rest of the wavelengths will continue to transmit through the fiber Bragg grating. It is essentially a narrow-band filter or mirror, which is widely used in optical fiber communication. and fiber optic sensing. [0003] As a typical fiber optic device, fiber grating has a very important application. Because of its sensitivity to stress and temperature, it is often used as a sensor device. At the same time, it is also an important component of dispersion and signal processing. Howeve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/02
CPCG02B6/02209
Inventor 高峰王昭许京军
Owner NANKAI UNIV
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