武汉邮电科学研究院
纸质出版:1985
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[1]杜懋畅.光相干式时域反射计的研究[J].电子学报,1985(01):19-22.
Du Mao-chang. An implementation of coherent optical time domain reflectometry[J]. Acta Electronica Sinica, 1985, (1): 19-22.
本实验在1.15μm波长波段运用APD及Ge-PIN前置调谐式前级放大器实现了光相干式时域反射计(Coherent OTDR)。观察到了长1500m的单模光纤的二次菲涅尔反射及一次瑞利散射。
An experimental system is established to perform coherent optical time domain reflectometry at the wavelength of l
15μm using APD or Ge-PIN diode together with a tuned preamplifier. Secondary Fresnel reflection from far end and primary Rayleigh scattering along a 1500m single mode fibre are also observed.
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