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    • 8. 发明授权
    • Optical fiber, optical fiber cable, and radiation detecting system using such
    • 光纤,光缆,辐射检测系统等
    • US06671451B1
    • 2003-12-30
    • US09522692
    • 2000-03-10
    • Hiroshi Sugihara
    • Hiroshi Sugihara
    • G02B600
    • G02B6/03694G01T1/20G01T1/201G02B6/02033G02B6/02395G02B6/4432
    • The present invention provides an optical fiber, an optical fiber cable and a radiation detecting system at a low cost. Further, the radiation detecting system is provided which can adequately monitor the radiation leak without delay. The optical fiber cable comprises: an optical fiber including; a core 12 having lightwave guide property and extending along one direction; a clad layer 14 covering over a peripheral surface of the core 12; and a scintillator material dispersed in the clad layer 14 and emitting light when radiation is applied, a radiation-shielding layer 24 covering substantially over a periphery of the optical fiber10, and a gap 26 located in at least one part of the radiation-shielding layer 24. The radiation detecting system comprises an optical fiber cable 20 adapted to emit light at a region where radiation is applied and transmitting the emitted light, photoelectric conversion means 32 connected to at least one end of the optical fiber cable 20, and processing means 38 detecting when radiation is applied in accordance with an output signal of the photoelectric conversion means 32.
    • 本发明以低成本提供光纤,光纤电缆和放射线检测系统。 此外,提供能够不延迟地适当地监视辐射泄漏的放射线检测系统。 光缆包括:光纤,包括: 具有光波导性并且沿一个方向延伸的芯12; 覆盖在芯12的外周表面上的覆层14; 以及分散在包覆层14中并在辐射被照射时发光的闪烁体材料,覆盖在光纤10的周边基本上覆盖的辐射屏蔽层24以及位于辐射屏蔽层的至少一部分中的间隙26 该放射线检测系统包括:光纤电缆20,其适于在施加辐射的区域发射光并透射发射的光;连接到光纤电缆20的至少一端的光电转换装置32;以及处理装置38 根据光电转换装置32的输出信号检测何时施加辐射。