A detection device
By limiting the displacement of the optical fiber through a limiting component and a fixed base structure, combined with a plastic scintillator and a protective sleeve, the problem of poor coupling effect between the optical fiber and the silicon photomultiplier was solved, achieving higher detection efficiency and the ability to process low-intensity optical signals.
CN119805529BActive Publication Date: 2026-06-05CHINA INSTITUTE OF ATOMIC ENERGY
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHINA INSTITUTE OF ATOMIC ENERGY
- Filing Date
- 2024-12-25
- Publication Date
- 2026-06-05
AI Technical Summary
Technical Problem
Poor coupling between the optical fiber and the silicon photomultiplier affects the detection efficiency.
Method used
The structure employs limiting components and a fixed base, using limiting plates and limiting posts to restrict the displacement of the optical fiber, ensuring that the light is stably transmitted from the light output end face to the light receiving end face. Combined with a plastic scintillator and a protective sleeve, it improves photon collection efficiency.
Benefits of technology
It improves the coupling between the optical fiber and the photomultiplier, increases the number of photons received, improves detection efficiency, and expands the application range of the device to the processing capability of lower intensity optical signals.
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Smart Images
Figure CN119805529B_ABST
Abstract
The application relates to the technical field of photoelectric signals, and provides a detection device, which comprises an optical fiber, a photomultiplier and an optical fiber coupler, the optical fiber has a light output end face, and the photomultiplier has a light receiving end face. The optical fiber coupler comprises a limiting piece and a fixing seat, the limiting piece comprises a limiting column and a limiting plate, the limiting column is formed with a limiting cavity which has openings on both sides in the axial direction, and the limiting plate is arranged at the opening on the first side of the limiting cavity in the axial direction; the fixing seat is arranged on the second side of the limiting piece in the axial direction, the fixing seat is formed with a containing cavity which is communicated with the limiting cavity, part of the optical fiber is contained in the limiting cavity, the side surface of the limiting plate in the axial direction abuts against the optical fiber, the photomultiplier is connected with the fixing seat, part of the photomultiplier is located in the containing cavity, and the light receiving end face faces the light output end face. The detection device provided by the application can improve the detection efficiency of the detection device.
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