A method and equipment for manufacturing fiber arrays

CN121741941BActive Publication Date: 2026-05-26WUHAN YILUT TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
WUHAN YILUT TECH CO LTD
Filing Date
2026-02-27
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing fiber optic array manufacturing technologies struggle to achieve high precision, high reliability, low cost, and mass production in high-density scenarios with 128 channels or more, particularly in areas such as pitch error, positioning deviation, and mismatch in material thermal expansion coefficients.

Method used

By employing a segmented substrate splicing assembly method, multiple substrate segments are prepared and spliced ​​into substrate assemblies. Cover plates are used for encapsulation and reinforcement treatment, combined with visual inspection and scanning modules for precise positioning and adjustment, thereby achieving high-precision assembly and performance testing of fiber optic arrays.

Benefits of technology

It achieves pitch error control within 0.15μm and polarization axis alignment error less than 0.3° for a 128-channel fiber array, reducing processing difficulty and cost, supporting the application of high-density optical circuit switches, and suitable for optical transmission scenarios with different port densities.

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Abstract

This application provides a method and apparatus for manufacturing an optical fiber array, including preparing multiple substrate segments and assembling them to obtain a substrate assembly; placing M polarization-maintaining fibers into M corresponding grooves and adjusting their positions within the grooves; encapsulating the substrate assembly with a cover plate to obtain a first optical fiber array; strengthening the first optical fiber array to obtain a second optical fiber array; and performing performance testing on the second optical fiber array, identifying the second optical fiber array that passes the performance test as the target optical fiber array. In this embodiment, the segmented structure reduces the processing difficulty of a single substrate, achieving low cost and mass production; the strengthening treatment of the optical fiber array improves its vibration and aging resistance, enhancing reliability; and the performance testing ensures that the optical fiber array meets high precision requirements.
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