Device for protecting butt joint transmission of optical fiber and photomultiplier

By designing a device for protecting the docking and transmission of optical fibers and photomultiplier tubes, the light-proof structure and shock-cushioning process are adopted to solve the problem of lack of structural protection during the coupling docking of optical fibers and photomultiplier tubes, and efficient optical signal transmission and vibration are achieved Protect.

CN119439399AActive Publication Date: 2025-02-14INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI
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Patent Information

Application Number
CN202411769312.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-02-14
Estimated Expiration
2044-12-04

AI Technical Summary

Technical Problem

The prior art lacks structural protection during the coupling and docking of optical fibers and photomultiplier tubes, resulting in low optical signal transmission efficiency and susceptible to vibration, which may lead to breaking of the optical fiber or rupture of the photomultiplier tube.

Method used

A device for protecting optical fibers and photomultiplier tubes is designed, and a light-proof structure and shock-cushioning process are adopted to achieve double-layer light-proof and gentle-proofing through the combination of protective shells, blocks, beam optical fiber components and photomultiplier tube components. Seismic protection.

Benefits of technology

It effectively avoids optical fiber breakage and photomultiplier tube rupture, improves optical signal transmission efficiency, and provides additional protection in vibration situations, ensuring the stability of long-distance optical fiber transmission.

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Abstract

The invention relates to a device for protecting butt joint transmission of an optical fiber and a photomultiplier, and the device comprises a protection housing which is of a housing structure with one end provided with a small-diameter hole and the other end provided with a large-diameter hole, and the small-diameter hole and the large-diameter hole are respectively communicated with an inner cavity of the protection housing; the end, close to the small-diameter hole, of the protective shell is provided with a notch. The pressing block is arranged on the notch of the protective shell and is fixed with the protective shell through a first connecting piece; the output end of the cluster optical fiber assembly extends into the small-diameter hole of the protective shell and is pressed by the pressing block; and the PMT extends from the large-diameter hole end of the protective shell and is in butt joint with the bundled optical fiber assembly, and the PMT and the protective shell are fixed through a second connecting piece. According to the characteristics of the transmission optical fiber and the photomultiplier, a light shielding structure is designed, light shielding and cushioning processes are adopted, and double-layer light shielding and process cushioning protection in the transmission process of the optical fiber and the photomultiplier is achieved.
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