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An optical fiber automatic positioning and placement device and method

An automatic positioning, optical fiber technology, applied in installation, optics, optical components, etc., to achieve the effect of protecting optical fibers, simple placement process, and high degree of automation

Inactive Publication Date: 2018-08-03
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the above problems, overcome the shortcomings caused by manual placement, and propose a method for automatic positioning and placement of optical fibers. Through accurate measurement and adjustment of the position and attitude of the lithium niobate substrate, automatic placement of optical fibers can be achieved, reducing It saves manpower and time while protecting the optical fiber

Method used

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  • An optical fiber automatic positioning and placement device and method
  • An optical fiber automatic positioning and placement device and method
  • An optical fiber automatic positioning and placement device and method

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Embodiment Construction

[0033] The present invention will be further described in detail with reference to the accompanying drawings and embodiments.

[0034] An optical fiber automatic positioning and placing device of the present invention, such as figure 1 As shown, it includes PC 1, multi-axis precision drive board 2, four-dimensional electric adjustment table 3, optical fiber rotator 4, polarization maintaining optical fiber 5, lithium niobate substrate 6, light source 7, microscopic camera 8, and microscopic objective lens 9 , lens barrel 10, CCD camera 11, one-dimensional electric translation stage 12, mouse 13, CMOS camera 14;

[0035] The image processing and control unit mainly refers to a PC, connected to the CCD camera 11 and the CMOS camera 14 through two USB ports, connected to the multi-axis precision driver board 2 through the RS232 serial port, and connected to the mouse 13 through a USB port.

[0036] The image acquisition module includes a light source 7 , a microscopic camera 8 ...

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Abstract

The invention discloses an optical fiber automatic positioning and placing device and method, real-time monitoring and feedback to a PC through optical imaging, and the PC processes the collected images to control the stepping motor to drive the four-dimensional adjustment table to adjust the lithium niobate substrate. Position and posture, so as to realize the automatic placement of optical fibers. The present invention can replace the existing manual placement method, avoid the shortcomings of the existing methods such as time-consuming, laborious, and large placement errors, and realize automatic and precise placement of optical fibers. By writing the MFC-based dialog box program, you can intuitively see the adjustment of the position and attitude of the lithium niobate substrate, and observe the precise placement process of the optical fiber in real time. The entire placement process is simple, intuitive, and highly automated.

Description

technical field [0001] The invention relates to the technical field of optical fiber automatic placement, in particular to the field of directly aligning the polarization-maintaining optical fiber with other optical devices by adopting the method of placing the optical fiber in the groove of the lithium niobate substrate. Background technique [0002] Fiber optic gyro has become one of the key technologies in the field of inertial technology due to its advantages of no moving parts, high detection sensitivity and resolution, large dynamic range, instant start, small size and light weight. Today, most of the key technical problems of fiber optic gyroscopes have been well resolved, technical indicators such as sensitivity, dynamic range, and scale factors have been greatly improved, and the detection accuracy of angular velocity has reached 0.0003° / h (equivalent to 150 years of rotation). revolution per revolution). The solution of key technical problems and the unique advant...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B7/00
CPCG02B7/00
Inventor 李慧鹏郑晓朱伟伟宋凝芳谭朦曦黄怀波
Owner BEIHANG UNIV