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Small-diameter polarization-maintaining fiber and micro-chip fixed-shaft coupling system and method

A polarization-maintaining optical fiber and coupling system technology, applied in the direction of polarized optical fiber, cladding optical fiber, etc., can solve the problem of inability to obtain high-precision axis-fixed control, and achieve precise axis-fixed control, simple system, and accurate axis-fixing Effect

Active Publication Date: 2017-01-11
FLIGHT AUTOMATIC CONTROL RES INST
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Problems solved by technology

[0004] The fixed-axis control of the thin-diameter polarization-maintaining optical fiber proposed by the present invention belongs to the end-face detection method, but because the diameter of the small-diameter polarization-maintaining optical fiber is too small, it is impossible to obtain high-precision fixed-axis control by using the existing method

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  • Small-diameter polarization-maintaining fiber and micro-chip fixed-shaft coupling system and method

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with accompanying drawing:

[0026] Such as figure 2 As described above, the structural optical platform 11 of the fixed-axis coupling system between the fine-diameter polarization-maintaining optical fiber and the microchip, the three-dimensional adjustment platform I6, the slider 8, the guide rail 9, the fixed base 12, the precise three-dimensional docking coupling platform 13, and the control processing system 19 , microscope III 20 , axis fixing device 21 , two-dimensional fine-tuning platform 22 , photoelectric converter 23 . Wherein, the guide rail 9 is fixed on the optical table 11, and the two ends of the guide rail 9 are equipped with a limit block I7 and a limit block II10, so as to ensure that the position of the slider 8 fixed on the guide rail 9 is constant every time it slides. The three-dimensional adjustment platform I6 and the slider 8 are fixed together, and the three-dimensional ad...

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Abstract

The invention belongs to the technical field of micro-device fabrication and relates to a small-diameter polarization-maintaining fiber and micro-chip fixed-shaft coupling system and method. The coupling system includes an optical platform (11), a three-dimensional adjustment table I (6), a sliding block (8), a guide rail (9), a fixed base (12), a precise three-dimensional butt coupling table (13), a control processing system (19), a microscope III (20), a shaft fixing device (21), a two-dimensional fine adjustment platform (22), and a photoelectric converter (23). According to the technical scheme of the invention, a small-diameter polarization-maintaining fiber can be conveniently coupled to be in butt joint with a micro-chip while the small-diameter polarization-maintaining fiber is accurately controlled in the fixed-shaft manner at the same time. Therefore, the advantages of accurate shaft alignment, convenient operation and simple system are realized.

Description

technical field [0001] The invention belongs to the technical field of micro-device manufacturing, and relates to a fixed-axis coupling system and method of a thin-diameter polarization-maintaining optical fiber and a microchip. Background technique [0002] Such as figure 1 As mentioned above, the diameter of the cladding 1 of the thin-diameter polarization-maintaining fiber referred to in the present invention is only 40 μm, the diameter of the core 4 is only 2-3 μm, and the stress zone 2 is elliptical. The fiber diameter is much smaller than ordinary optical fiber. [0003] At present, there are mainly two methods for controlling the axis of the optical fiber. One is the method of optical fiber side lighting and axis determination represented by the "five-finger method", and the other is the end face detection method for applications such as integrated optical modulators. This method is to bond the optical fiber to the ceramic block and perform end-face inspection. [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/024
CPCG02B6/024
Inventor 张佳全谢良平曹阳赵海军赵阳赵磊陈琳郑晴黄钊
Owner FLIGHT AUTOMATIC CONTROL RES INST
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